The Proceedings of the 52nd Japanese Joint Conference for the Technology of Plasticity
October 12 ~ 14, 2001, Fukui

Copywrite by The Japan Society for Technology of Plasticity


Tube Forming

101 Forming limit on T-shape branch protrusion hydroforming hirotoshi HISHIDA & itsurou HIROSHIGE 102 Hole piercing in Tube Hydroforming Mitsutoshi UCHIDA & Kojima MASAYASU 103 Fuzzy Adaptive Control System for Tube Hydroforming Process Shunsuke MIYAMOTO, Hiroshi KOYAMA & Ken-ichi MANABE 104 Evaluation of the forming limit in tube hydroforming Yoshiharu NAKAMURA, Koichi ITO, Katuhisa SHIBATA & Koichi SATO 105 A study of deformation process and breakage of a hydroformed automotive part using elasto-plastic FEM Takayuki HAMA, Motoh ASAKAWA & Akitake MAKINOUCHI 106 Effect of material properties on deformation of hydrofoming -3 Yoshiaki Itami 107 Hydroforming of Aluminum Extrusion kiyohito kondo, katsuji nakashima & hiroyuki iseki 108 Influence of wall thickness and friction coefficient on forming flexibility of hydroforming Masaaki MIZUMURA & Yukihisa KURIYAMA 109 Friction Effect Dependence on the Die Shape during the Tube Hydroforming Process Masaru FUKUMURA, Koji SUZUKI, Kiyoshi UWAI, Shunsuke TOYODA, Qiang YU & Masaki SHIRATORI 110 Effect of Lubrication on Deformation Behaviour of Tube in Hydraulic Bulging with Square Die (2nd Report) Sadakatsu FUCHIZAWA, Yuichro IKEDA, Atsushi SHIRAYORI & Michiharu NARAZAKI 111 Measurement and analysis of work-hardening characteristics of 5000-type aluminum alloy pipe using CNC biaxial stress testing machine Toshihiko KUWABARA, Kouji NARIHARA, Kengo YOSHIDA & Susumu TAKAHASHI 112 Deformation Behavior of Aluminum Alloy Tubes in Free Hydraulic Bulging by Internal Pressure and Axial Feeding Sadakatsu FUCHIZAWA, Takahiro SHIMOYAMA, Atsushi SHIRAYORI & Michiharu NARAZAKI 113 Influence of Circumferential Initial Thickness Deviation on Tube Deformation in Free Hydraulic Bulging (3rd Report) Atsushi SHIRAYORI, Hiroki SATO, Sadakatsu FUCHIZAWA & Michiharu NARAZAKI 114 Lateral Extrusion of C1220 Pipes with Lost Ice Core Takahiro Ohashi,Kazunari Matsui,Yasunori Saotome 115 Square Cross-Section Forming by Ironing Seigo KITAGAWA & Makoto MURATA 116 Uniform Thickness Distribution at Branch of T-pipe by Incremental Burring Method Toshiya TERAMAE, Keii UENO, Keiichi NAKAMURA, Hiroshi TAKEDA, Osamu TAKAHASHI & Naohiro TSUKAO

Sheet Metal Forming

117 Stretch-Flangeability and Bendability of Newly developed Low Alloy TRIP Sheet Steels Akinobu kanda, Kouiti Sugimoto, Akihiko Nagasaka & Takahiro Kasima 118 Formability of Stretch Flanging of AZ31 Magnesium Alloy Sheet Osamu Hasegawa, Hisashi Nishimura, Hirokuni Yamamoto and Akira Yamamoto 119 A Study of Forming Flange with Grooves and so on in the Outer Surface by Using Thick Metal Plate Ryouhei KURIYAMA, Yukihiko UCHIDA, Michihiko HOSHINO & Teruyuki MAEGAWA 120 A study of Forming Characteristics in the Hole Flanging with Ironing on Thick Metal Plate(Formability and Fracture condition on Curved Thick Metal Plate) Nobuyuki KUMADA, Yukihiko UCHIDA & Michihiko HOSHINO 121 Formability of Drawing/Ironig Combined with Opposite Load to Bottom of Cup Takayuki Muranaka, Masaya Kajima, Yoshihiro Goto & Norio Itoh 122 BHF Control Algorithm for Improving LDR and Thickness Distribution in Deep Drawing Hiroshi KOYAMA, Syoichiro YOSHIHARA & Ken-ichi MANABE 123 Deformation of cups redrawn in oval-oval and round-oval processes Kunio ISOBE 124 Deep Drawing of Plastic-Laminated Sheet with Use of High-Pressured Water Makoto MURATA & Haruhiko MIYAMOTO 125 The Tribology behavior of the Interface in Sliding under Bending Test of the Sheet Material Akira AZUSHIMA, Meijiang ZHU & Yoshinobu HIROSE 126 Durability of thermal sprayed coating dies for titanium sheet forming process Joji SATOH, Manabu GOTOH, Minoru YAMASHITA, Fujio OKUBO & Takuji MURAO 127 Draw-Bend Forming of Thin Strip with Curvelinear Cross Section Using Partitioned Dies with Surface of Circular Cone Iseki Hideo & Hosono Sintarou 128 One piece forming of rim and disk in automobile wheel Seijiro Maki, Ken-ichiro Mori & Daisuke Nakagawara

Sheet Metal Forming Simulation

201K Numerical simulation for sheet metal forming in TOYOTA. Suzuki Katsuya & Yamazaki Satoshi 202T Reduction of production preparation lead time by numerical forming simulation Satoshi ITO & Daisuke Taketani & Masahumi YAMAKURA 203T Simulation of hemming of auto trunk sheet Makoto MURATA, Junhu LIU & Kiyoshi TANAKA 204T Optimization of Wall Thickness Distribution of Wheel Disk in Multi-stage Forming Process Ken-ichiro Mori, Yohei Abe & Osamu Ebihara 205T Square Shell Deep Drawability of Titanium Sheet Tetsuro Ohwue, Hideki Fujii & Masao Kikuchi 206T Tube bending methods and their FEM modeling Ninshu Ma & Yasuyoshi Umezu 207T FE Analysis on Deformation of Tube in Draw Bending Ken-ichi MANABE 208T Springback simulation in draw bending process by the static explicit FEM code with consideration of bauschinger effect Naoto YAMAMURA, Toshihiko KUWABARA, Akitake MAKINOUCHI, Cristian TEODOSIU & Mihaela BANU 209T An enhanced shell element to predict spring back of sheet bending Shuichi NAMURA, Koichi ITO, LU Hong & Koichi KAZAMA 210T FE Simulation of Superplastic Rectangular Box Forming Using Material Characteristics by Multi-dome Forming Test El-Morsy Abdel-Wahab, Akkus Nihat & Ken-ichi Manabe 211T Analysis of Shape and Stress Distribution in Axi-Symmetric Free Bulging of Superplastic Sheet Masahide KOHZU, Nobuyuki SUZUKI & Kenji HIGASHI 212T Prediction of Forming Limit of Sheet Metals Using Ductile Fracture Criterion Hirohiko Takuda & Ken-ichiro Mori 213T FEM-Based Material Constants Determination Method for Ductile Fracture Criteria Hiroshi KOYAMA & Ken-ichi MANABE 214T Effect of Fracture Criteria on Simulated Cutting Process of Sheet Metal by Indentation of a Wedge-shape Tool. Nobuo HATANAKA, Katsuhiko YAMAGUCHI, Norio TAKAKURA & Takasi IIZUKA 215T Determination method of a ductile damage parameter for FEM simulation of shearing process Yoshinori YOSHIDA, Yasuaki MURASE, Nobuki YUKAWA & Takashi ISHIKAWA 216T FE-analysis of material slip on the dies during shearing process Masao MURAKAWA, Sutasn THIPPRAKMAS & Masahiko JIN 217T Investigation of the success range in 3-step counter-blanking by FEM Sutasn THIPPRAKMAS, Masahiko JIN & Masao MURAKAWA 218T Full Virtual Process Simulator for Sheet Stamping Hiroshi KOYAMA & Ken-ichi MANABE 219T Study on the Optimum Process Design of Sheet Forming Tsutao KATAYAMA, Eiji NAKAMACHI, Yasunori NAKAMURA, Tomiso OHATA & Yusuke Morishita

Sheet Metal Forming

220 Numerical simulation of yield-point phenomena of steel sheet Toru KAMEI, Kouhei SUN & Fusahito YOSHIDA 221 Development of elastic/crystalline viscoplastic FEM simulation code Kiminori MORITA, Hideo MORIMOTO, Masami AKAMATU, Yasunori NAKAMURA, Tutao KATAYAMA & Eiji NAKAMACHI 222 Molecular Dynamics Simulation on Microscopic Plastic Behavior of FCC Metals with Ultrasonic Vibration Takashi IIZUKA, Katsuhiko YAMAGUCHI & Norio TAKAKURA 223 Application of Variable-Number-Nodes Element for Elastic-Plastic FEM Hiroshi FUKIHARU & Yasuto YOKOUCHI 224 Approximate Analysis of Draw Bead Force Considering Floating Effect of Sheet Metal on Draw Bead Force Kousuke MORITA, Yukihiko UCHIDA & Michihiko HOSHINO 225 The study of optimum bead design in sheet forming Takehiko Ueda, Yasunori Nakamura, Tomiso Ohata, Tsutao Katayama & Eiji Nakamati 226 Measurement and polycrystal plasticity analysis of strength-differential effect in high-strength and low carbon steel sheets Toshihiko KUWABARA , Mitsutoshi KURODA, Shunji HIWATASHI, Hiroshi YOSHIDA, Yuuji KIHARA & Minoru HATAKEYAMA 227 Accurate plane strain tension tests for sheet metals using cruciform specimens Satoshi IkEDA & Toshihiko KUWABARA 228 Press forming of the curved hat channel with high tensile strength steel sheet and its dimensional accuracy Hiroyuki HOSODA, Iwao MATUYA, Motoo ASAKAWA, Yoshio FUJISHIRO & Ikuhiko HAYASHI 229 Three-dimensional Laser Forming of Sheet Metal Using Triangular Patches Michiya MATSUSHIMA, Masaaki OTSU & Kozo OSAKADA 230 A study of Structural Morphology Control in Incremental Hammering seiwa masahito, nakagawa satosi, hasebe tadasi & imaida yutaka 231 The forming of hyperborical surface in Incremental Hammering Isao IWASAKI, Tadashi HASEBE & Yutaka IMAIDA

Forging

301 Rigid-Plastic FEM by Using Iterative Solver for Large Scale Metal Forming Simulation Takahiro TOSHIMA & Tatsuo OKADA 302 Deformation analysis by rigid plastic FEM with volume loss recovery and incremental volume control scheme (application to multi-stage forging and slab stretching) Jian SHANG, Shiro TOYOSHIMA & Manabu GOTOH 303 A rigid-plastic meshless method based on the partial differential equation Yong-Ming GUO & Kenji NAKANISHI 304 Influence of working conditions on grain size distributionin in cog forged super alloy 718. Masamichi KAWANO, Sachihiro ISOGAWA, Takuya NAKAZAWA & Yutaka TSUCHIDA 305 Influence of thermal history on grain size distribution in radially forged super alloy 718. Masamichi KAWANO, Sachihiro ISOGAWA, Takuya NAKAZAWA & Yutaka TSUCHIDA 306 Microstructural evolution of super alloy 718 in multiple deformation process. Masamichi KAWANO, Sachihiro ISOGAWA, Takuya NAKAZAWA & Yutaka TSUCHIDA 307 Consolidation behavior of high strength aluminium alloy powder by plane strain forging Tsutomu Andoh, Takashi Itoh & Naoyuki Kanetake 308 Annealing condition of cold forged S45C carbon steel to achieve optimum hardness Kanichi HATSUKANO , Yasunori TORISAKA, Hiromu SAWABE & Kichitaro SHINOZAKI 309 The effect of microstructure on mechanical property in ausforming 2 Takao ZUINEN,Hiroaki YOSHIDA,Sachihiro ISOGAWA,Yoshinori YOSHIDA,Nobuki YUKAWA & Takashi ISHIKAWA 310 FE analysis of F+P microstructural prediction in controled forging Shigehiro KASHO, Hiroaki YOSHIDA,Sachihiro ISOGAWA,Yoshinori YOSHIDA,Nobuki YUKAWA & Takashi ISHIKAWA 311 FE analysis of microstructural prediction in controled forging Yoshinori KANEKO,Hiroaki YOSHIDA,Sachihiro ISOGAWA 312 A Study about The Forming Limit of The Open Extrusion of Serrations. Chiemi KUZUYA, Mikio MAMIYA & Yukihiko TANASE 313 Effect of thermal load on the resistance of plastic deformation of hot forging die Hiroyuki SAIKI, Akihiro MINAMI, Yasuo MARUMO & Yasuhiro TAKAHAMA 314 Study on Metal Flow of Rotary Forging Shinsaku KATAYAMA, Masakazu KAKIUCHI, Tooru KAWABE & Tomoyuki WADA 315 Deformation behavior for compression of two layer billet Keiou NISHIMURA, Takuya TOJYO, Tadasu MURAKAMI & Keisuke IKEDA 316 Cold Forging of shaft parts with flange by using screw press Kazutoshi Takaishi, Masayuki Ishikawa, Takayuki Yamada, Kuniharu Katsuno & Kazuhiro Ohara 317 Effect of Tool Temperature on Friction in Dry Forging Ryo MATSUMOTO & Kozo OSAKADA 318 New Evaluation Method of Tribo-Performance in Cold Forging Nobuhiko SHIRAKAWA & Ryoichi WADABAYASHI 319 Evaluation of precision in 3D replication of surface microgeometry, 2nd report development of numerical calculating code Shinhou KURIYAMA, Yoshimasa YOSHIDA & Hiroshi IKE 320 Effects of Die Constitution and Lubrication on Extrusion Forging with Semi-Closed Dies Yutaka NAKAI, Isao KUBOKI, Masahiro KATCHI & Kenji SEKINE 321 Frictional Property of Boron-added Carbon Steel in Dry Cold Forging Yuichi TAKASHINA, Ryo MATSUMOTO & Kozo OSAKADA 322 Prediction of Die Wear in Hot-forging Toshiaki TANAKA, Yoshinari TSUCHIYA, Munehisa MATSUI, Koukichi NAKANISHI, Toshiyuki SUZUKI, Yoshikazu NOGAMI & Tadao AKASHI 323 Prediction Method of Cracking Limit in Cold Forging Satoru WATANABE, Yoshifumi HARUHATA, Takashi KUBOKI & Yutaka Neishi 324 Improvement of Forging Process for Suppressing Surface Crack Satoru WATANABE, Yoshifumi HARUHATA, Yutaka NEISHI & Kouichi KURODA 325 Deformation behavior for core forging of axisymmetrical parts with projection and flange Tomoharu KUNII, Keiou NISHIMURA, Tadasu MURAKAMI & Keisuke IKEDA 326 Enclosed die forging of spur gear with punch having radial projection Nobuyuki ASAI, Mitsugu MOTOMURA & Kiyoshi SAKOU 327 Low Pressure Precision Cold Die Forging of Complicated Gear Toothed Products Kyoichi OHGA, Fumio MURAKOSHI, Hiroyuki ANDO, Koji MIYOSHI & Kazuyoshi KONDO 328 Increase in Wall Thickness of Drawn Cup by Cold Die Forging Process Kohzoh KATOH, Kazuyoshi KONDO, Toru KAKITA, Hironori HAYASHIDA & Tokiyasu YOGO 329 The Forming of a Spur Gear Made from the Drawn Cup (Advantages of Divided Flow Method) Yukihiro KAKISHIMA, Yukihiko UCHIDA, Michihiko HOSHINO & Yuki UKEI 330 Deformation modes and load characteristics of lumber-like cells with a layer structure Keisuke YAMAGUCHI, Hiroyuki SAIKI, Yasuo MARUMO & Hiroyuki SHIOZAKI

Sheet Metal Forming

331 Deformation Behavior of Flange in Deep Drawing of Pierced Blank Hideo@OGAWA 332 Production of Deep Cup with Wide Flange by Stretching Fllowed by Drawing and Ironing Processes. Norio TAKAKURA, Hidetoshi NAKASONE, Katsuhiko YAMAGUCHI & Takashi IIZUKA 333 Manufacture of precision aluminum pipe by means of DI method useing a floating die. Nobuhiro Koga & Haruhiko Ueno 334 Deep Drawing processing used a bored punch for pressure Tadae MORISHITA 335 Effects of shoulder radius on LDR in the deep drawing of AZ31 magnesium alloy sheets. Nobuhiro Koga, Shogo Tagawa & Ratchanee Paisarn 336 Prevention of Seizure by Heating Oxide Coating or Nitriding Coating in Multi-Pass Deep Drawing of Pure Titanium Sheets Takuji MURAO, Ken-ichiro MORI, Yasunori HARADA, Masahiro IMAI & Hujio OKUBO 337 Effect of lubricants on deep drawing of titanium sheet Matsuo Ataka & Etsushi Kondoh 338 Effects of Mg Content on Bulging Formability in Can End Stocks Yoshinari Kikuta

Extrusion

401T Numerical Simulation Based on Upper Bound Method in Conform Extrusion Michihiko Hoshino, Ken-ichi Matsuzawa, Masayuki Matsumura & Motochidka Yoshida 402T Mesurement of Pressure Distribution on Die Surface in Hot Extrusion of Aluminium Alloy Tsutomu MORI, Norio TAKTSUJI, Kenji MATSUKI, Tetsuo AIDA, Kazuo MUROTANI & Kouichi UETOKO 403T Application of Simulation for Metal Flow and Die Strength at Aluminum Rectangular Extruded Pipe Toshiyuki INAGAKI, Satoshi MURAKAMI, Norio TAKATSUJI, Kenji MATSUKI, Mitsuyuki ISOGAI, Kazuo MUROTANI & Jun SHOBO 404T A Study of Measurement of Extrusion Die Deformation in Aluminum Hot Extrusion Tutomu Mori, Norio Takatuji, Kenji Matuki, Kazuo Murotani, Tetuo Aida & Kouichi Uetoko 405T Influence of die bearing angle on surface quality of AZ31B magnesium alloy extrusion Shin-ichi MATSUOKA, Tsutomu MURAI, Yukinori SUZUKI, Susumu MIYAMOTO, Yoshinari OKI, Teruo TAKEMOTO & Syouichi SANO 406T The effect of tool surface structure on the metal flow and surface roughness of workpiece in bulk forming Shunpei KAMITANI, Kenji NAKANISHI & Syahrullail SAMION 407T Extrusion Prosess with Divided Dies for Twist of Profiles Makoto NIKAWA, Mitsunobu SHIRAISHI & Yoshihiro GOTO 408T Influence of eccentricity of punch on metal flow in backward extrusion Tomoki KOBAYASHI, Nobuki YUKAWA, Yoshinori YOSHIDA, Masahiro KATAOKA & Takashi ISHIKAWA 409T Accuracy of Cold Extruded Helical Gear Hajime YOSHIDA, Yozo SAWAKI, Tadashi SUZUKI & Yusuke KUNISHIGE 410T Extrusion with Changing on Inside Diameter of Circular Tube Using Tapered Mandrel Takahiro MAKIYAMA & Makoto MURATA

Extrusion and High Energy Forming

411 Effects of Temperature and Water Content on Flow Characteristics of Wood Powders Norio TAKAKURA, Tsunehisa MIKI, Kouzou KANAYAMA, Katsuhiko YAMAGUCHI & Takashi IIZUKA 412 Upsetting formability of carbon steels deformed by repeated shear deformation process Akira AZUSHIMA, Koshiro AOKI, Yousuke ASADA & Youichiro KIMURA 413 Effect of Applied Pressure on Shear Deformation Behavior in Shear Added Extrusion Using a Rotary Divided Container Seijiro MAKI, Yasunori HARADA & Ken-ichiro MORI 414 Development of 4-stage Equal Channel Angular Extrusion Mitsuru NARITA, Munenori ONO & Hirohito MIZUFUNE 415 Effects of ECA pressing conditions on mechanical properties of AZ31 Mg alloy cutting chips compactions Tetsuo AIDA, Kenji MATSUKI & Norio TAKATSUJI 416 Superplasticity of Mg-Li-Nd alloys Tsunemichi IMAI,Suk-Won LIM,Naoyuki KANETAKE,Makoto TAKAGI,Yoshinori NISHIDA

Materials

417 Sheet necking analysis by a plasticity model accounting for non-normality effect and anisotropy Eiji ISOGAI & Mitsutoshi KURODA 418 ANALYSIS OF PLASTIC ANISOTROPY AT STAGE IN STRAIN-SOFTENING FROM BEHAVIOR OF STRAIN-INDUCED DEFECTS shouwaki kenji 419 Crystal plasticity analysis of hydrostatic stress-sensitive metals Minoru HATAKEYAMA & Mitsutoshi KURODA 420 EFFECT OF SUB-STRUCTURE ON TRANSPORT OF INTERSTITIAL ATOMS BY MOBILE DISLOCATION SHOUWAKI KENJI 421 Grain refinement of pure Al by cyclic compressive torsion loading Keitaro AONO, Takashi ITOH & Naoyuki KANETAKE 422 Simulation of dislocation pattern formation based on continuously-distributed and discrete dislocation models Takanori AKAISHI, Tadashi HASEBE & Yutaka IMAIDA 423 FEM Simulation of Powder Compaction and Sintering of Tiles having Two Layers using Shrinkage Curve Manabu UMEDA, Kenichiro MORI & Morito MURAKAMI 424 Studies on the molding of polymer system porous film Toshio NAKAYAMA

Form Rolling

425 Effects of roller feed pitch on tube edge by parallel spinning Jianguo Yao & Makoto Murata 426 The examination of the processing force about the sheet metal spinning Kotaro Yanagi, Makoto Murata & Hisasi Kotani 427 Comparison between Rolling of Modified Gears and Rolling with Modified Tools in Finish Gear Rolling of Sintered Fe-Alloy Gears by Screw-Shaped Tools Teruie TAKEMASU, Tatsuo OZAKI, Hiroshi MIYAHARA, Michiharu YOKOI & Hiroshi INADA

High Energy Forming

428 An Explosive Forming Method Using Detonating Cord Akio KIRA,Yoshihiro TAKAKUBO,Masahiro FUJITA 429 Free Metal Foming Using Underwater Shock Wave Hirofumi IYAMA, Shiro NAGANO & Shigeru ITOH 430 Wire Explosion Spraying for Composite Coating Tatuhiko KONDO, Yutaka IMAIDA & Tadasi HASEBE 431 Application of convergent shock wave in water to plastic working Xizhi Hu & Kooki Kani 432 An FEM simulation of axial crush of automobile strengthening members with various hat-shapes of cross-section Manabu GOTOH, Minoru YAMASHITA & Yasuhiko SAWAIRI 433 Magnetic Pressure Punching of Sheet Metal Keigo OKAGAWA, Tomokatsu AIZAWA, Yasuto SINDOU & Tomoya FUKUDA 434 Electromagnetic Removal of Copper Foil on a Printed Wiring Board Tomokatsu AIZAWA, Keigo OKAGAWA, Takeshi ATARASHI, Misako NAKAGAWA & Masao UCHIYAMA 435 Simulation of bulging Al hexagonal tube by electromagnetic forming ShouBin Zhang & Hideaki Negishi

Micro and Precision Forming

501T Microformability of Pt-based metallic glass and its application to microforming. Kenichi IMAI, Yasunori SAOTOME & Hirosi KAWACHI 502T Impact Piercing of Micro Hole with Ballistic Range Toshihiko MORI, Kenji HIROTA, Shinji KURIMOTO, Hiroharu IIZUKA & Shinkoh SENDA 503T Die Processing by Electro-discharge Machining Using Ultra-fine Fiber Punch as Electrode Toshihiko MORI, Kenji HIROTA, Shinji KURIMOTO, Yuichi NAKANO, Shinkoh SENDA & Takashi YUZAWA 504T Micro Forming using Micro Stylus Nami KITAICHI & Takeshi YONEYAMA 505T Fundamental research for micro-MIM Shimizu Toru, Mrakoshi Youichi & Maeda Ryutarou 506T Micro Forming Process of PMMA Yusuke Hashiura, Koutarou Hanada, Ryutarou Maeda, Akiko Kitajima & Hideaki Negishi

Shearing

507 A study on durability of good cutting performance of a knife Kunio TAKEKOSHI & Manabu GOTOH 508 Study on Indentation of Plate by Knife-edged Cutter Mitsuhiro Murayama, Shigeru Nagasawa, Yasushi Fukuzawa & Isamu Katayama 509 Elemental characteristics of blanking unworkable material Matsuo Ataka & Yoshiaki Morinaga 510 Cutting load characteristics of paperboard on Rotary diecutting Shigekazu SUZUKI, Yasushi FUKUZAWA, Shigeru NAGASAWA, Hideaki SAKAYORI, Isamu KATAYAMA, Akinori YOSHIZAWA & Takeo FURUMI 511 Relationship between brade profile and occurence of thread dross on paperboard die cutting (the third report) Takashi YAMAGUCHI, Shigeru NAGASAWA, Yasushi FUKUZAWA, Isamu KATAYAMA, Daishirou YAMAGUCHI, Akinobu YOSHIZAWA & Takeo FURUMI 512 Influence of blade hardness to variation of edge profile on paperboard diecutting Satoshi NAGAE, Shigeru NAGASAWA, Yasushi HUKUZAWA, Isamu KATAYAMA, Takeo HURUMI & Akinobu YOSHIZAWA

Roll Forming

513 Finite element simulation of deformation features of sheet metals formed by grooved rolls for hat and channel sections Yoshitomi ONODA, Eiji WAKAMATSU & Ken YOKOMICHI 514 Investigation for flexible manufacturing system for reshaping round steel pipe into square shape by extroll-forming Eiji WAKAMATSU, Yoshitomi ONODA & Junji BABA 515 Study on Reshaping Process of Tube/Pipe (Report11) -Comparision between results of analysis and experiment on reshaping Process of circular pipe into round/pentagon pipe- Manabu Kiuti, Hassan Moslemi Naeini, Takeo Kitawaki & Yosizou Kuromatsu 516 Design of pipe-forming-roll with calculator Hiroshi ONA

Rolling

517 Finite Element Simulation of non-uniform deformation at width edge of billet in different-roll-diameter rolling Yoshihiro HIRASE, Takashi ARIIZUMI & Jun YANAGIMOTO 518 Effect of streamline integration on balance of volume flow rates at entry and exit plane in three dimensional steady steate analysis by rigid plastic FEM Shiro TOYOSHIMA & Manabu GOTOH 519 Deformation analysis of universal rolling of H-shape using rigid-plastic FEM Shinya HAYASHI, Kenji YAMADA, Takashi HISATSUNE, Yohsuke MIURA & Shigeru OGAWA 520 Wear Debris in Cold Rolling of Stainless Steel SUS430 Yoshiyuki Hadano, Masaki Nishikoori, Kazhukiko Kitamura & Takaji Mizuno 521 Simulation Model for Predicting Strip Shape in 20-high Sendzimir Mill with Flexible Buck-up roll Atsushi AIZAWA,Yoshiyuki UMAKOSHI,Kenji HARA,Osamu UCHIHATA 522 Preset Model for Controlling Strip Shape in 20-high Sendzimir Mill with Flexible Buck-up roll Yoshiyuki UMAKOSHI,Atsushi AIZAWA,Kenji HARA,Osamu UCHIHATA 523 Basic study of new type cluster mill using non-segmented back-up roll Takayuki IWASAKI, Yoshiharu SHITARA, Shuuichi SUZUKI, Masahiro KUTI, Hisashi HONJOU & Hideo MATSUMURA 524 Load Characteristics of Cold Rolling with Ultra-sonic Oscillation Takao Kawanami, Akio Segawa, Takeshi Yamashita & Hirotake Tagami 525 Effect of back and front tensions on deformation of welded part in continuous rolling for stretch reducer of pipe Hidenori Yoshimura, Yutaka Mihara & Ken-ichiro Mori 526 Application of the hydrostatic stress parameter for free forging and rolling process. Morihiko NAKASAKI & Ichiro TAKASU 527 Simulation of deformation and temperature in pierce rolling suzuki minoru & komori kazutake 528 Experiment of Over-Turning during Bar and Rod Rolling by Square-Oval and Oval-Square passes Makoto TOI, Motoo ASAKAWA & Hideyuki MIYAZAWA

Bending and Leveling

529 OR Bending of Aluminum Space-Frame(3rd. Reduction of the peak value of the indenting load through the use of an assist roller) Junichi ENDOU, Shunji KATOH & Tetsuya ANZAI 530 Behavior of deformation and load for cold mandrel bending of Aluminum. Hisashi NAOI, Kazuhiro SHINAGAWA, Takeshi YAMAKAWA, Tadakatsu MARUYAMA & Miki NOMURA 531 Investigation into Bending Limit of Thin Copper Alloy Sheets for Small Electric Terminals Kingo FURUKAWA, Atsushi NAKAMURA, Kazuo SAWADA & Yasushi KUROSAKI 532 Effect of Roller Leveling on Mechanical Characteristics of the Material Matuo ataka & koichi sato

Material Testing

601 Evolution of Anisotropy in Deformed and Aged Sheet Steel Shunji HIWATASHI, Shigeru YONEMURA & Yasuharu SAKUMA 602 Crash Analysis of Formed- and Aged-Steel Hat-square Columns Shigeru YONEMURA, Shunji HIWATASHI & Yasuharu SAKUMA 603 Exact Identification of strain rate dependency of steel properties by one bar method Hiroshi YOSHIDA, Manabu TAKAHASHI & Yukihisa KURIYAMA 604 Effect of pre-torsion strain on impact compression for Aluminum alloys. Noriyuki KASUYA, Tadashi HASEBE & Yutaka IMAIDA 605 The strain path dependence of the work hardening properties of BCC metals Yuji Naruse, Tadashi Hasebe & Yutaka Imada 606 Influence of a surface defect on breaking elongation of AZ31 sheet metal. Tetsumaro HIROI, Tadashi NISHIMURA & Hisashi NISHIMURA 607 Flatcrash Test and Simulation Analysis for Corrugated Fiberboard sheet Takehiko HAGIHARA, Shigeru NAGASAWA, Yasushi HUKUZAWA, Akinobu YOSHIZAWA & Isamu KATAYAMA

Semi-Solid Forming

608 High speed roll casting of aluminum alloy strips Haga Toshio 609 Casting of composite strips using a twin roll caster Haga Toshio 610 Mashy joining of nonmetalic material with balk metal Sumio SUGIYAMA & Jun YANAGIMOTO 611 Fundamentals on plasma nitriding of Fe-Cr alloys Hideuki Kuwahara, Novi Granito & Tatsuhiko Aizawa 612 Anormal nitrided microstructure in high chromium Fe-Cr alloys Novi Granito, Hideyuki Kuwahara & Tatsuhiko Aizawa 613 Plasma nitriding from the spinodal-decomposed Fe-Cr alloys Shigeo Yamamoto, Tatsuhiko Aizawa, Hideyuki Kuwahara & Yoshiyuki Saito 614 Direct Observation of Asperity Deformation under Lubricant Condition by means of Fluorescent Method Akira AZUSHIMA & Kiyoko WATANABE 615 Nanofractal Structure of Material Surfaces Koji UEDA, Yasushi KUROSAKI & Masahito MATSUI 616 Burnishing of Die Surface by Ceramic Tool in CAD/CAM System Shigeki MORI 617 Tribological properties of aluminum alloy against various hard films in plastic deformation region. Sadao TAKEUCHI & Masao MURAKAWA

Joining

618K Creation of the adding value by joining & complex technology Terufumi MACHIDA 619T Study on suitable lubricants in compactions for the sinter diffusion bonding. Kazuo Asaka,Katsuhiko Ueda,Teruhumi Machida 620T Lining of Magnesium Alloys with Hard Powders using Shot Peening Yasunori Harada, Hitoshi Kosugi, Ken-ichiro Mori, Seijiro Maki, Hitoshi Takeda, Toshiro Itoh & Kazuhisa Senoo 621T Strength of Bonding Interface in Clad Materials by Vacuum Hot Rolling Takao KAWANAMI & Akio SEGAWA 622T Effect of Compacting Pressure on Joint Strength of Stainless Steel-Permalloy Composite by Sinter Joining Kunio OKIMOTO, kazuhisa IWAMOTO & Tomotaka KURODA 623T Porosity control of porous iron by powder metallurgy Shigehiro KAWAMORI & Terufumi MACHIDA 624T The Application of the Explosive Bonging Technique for Joining Various New Materials Kazuyuki HOKAMOTO, Shojiro OHAMA, Masahiro FUJITA & Yasuhiro UJIMOTO 625T Solid Phase Welding by Friction Stir in Layered Dissimilar Metals Katsuyuki YOSHIKAWA & Tomoki HARANO 626T Reduction of Residual Stress Using Ultra Sonic Vibration During Welding Tadashi NISHIMURA , TetsumaroHIROI , Shigeru AOKI & HIRAI Seiji 627T Production of double-walled pipe by U-O press forming and TIG-welding Yukio Kasuga

Forging

628 Forging of Intermetallic Titanium Aluminide around Melting Temperature Satoshi ORO, Masanori SHIOMI & Kozo OSAKADA 629 Isothermal Forging of TiAl Intermetallic Compound Kei ECHIZEN, Shin KAGUCHI, Masayuki SUGAWARA & Kiyoyuki OHUCHI 630 Characteristic of Mg-Mg2Si composite material by direct powder forging Hiroshi MURAMATSU, Katsuyoshi KONDOH, Hideki OGINUMA, Eiji YUASA & Tatsuhiko AIZAWA 631 Die Shaping Condition of Small Sphere Hajime TAKAHASHI & Susumu MIZUNUMA

Drawing

632 Study on a wire drawing process for circular cross-sectional wires using new ultrasonic die divided into 2 parts Masahiro HAYASHI, Masahiko JIN, Hiroyuki NOGUCHI & Masao MURAKAWA 633 Study on a wire drawing process for circular cross-sectional wires using new ultrasonic die divided into 2 parts Hiroyuki NOGUCHI, Masahiro HAYASHI, Masahiko JIN & Masao MURAKAWA 634 Development of radial ultrasonic vibration die unit for drawing superfine wires Masahiko JIN & Masao MURAKAWA 635 Flaw groth analysis in wire drawing Kazunari YOSHIDA & Ryuta IDO