ISIJ and JIM Joint Session

Current Advance in Materials and Process, Vol.19, No.3

March 22. Room21
Titanium and titanium alloys1

09:00 - 10:20
J1	Separation of solid-soluted hydrogen and hydride in α-titanium and its degradation and recovery behavior N.Kirihara	..... 602

J2	Effects of iron concentration in titanium and heat treatment on corrosion rate in boiling 1mass% HCl solution K.Takahashi	..... 603

J3	Decrease of contact resistance by surface structural control of fuel cell separators made of Ti-Pd alloys J.Suzuki	..... 604

J4	Reduction of TiCl4 by the electrolysis of molten calcium chloride T.Naito	..... 605

Titanium and titanium alloys2

10:30 - 11:50
J5	Effect of environment on tensile properties of commercially pure titanium at 20K S.Ohmiya	..... 606

J6	Fractographic atlas and fatigue fracture surfaces characteristics of Ti-5Al-2.5Sn ELI forged alloys H.Sumiyoshi	..... 607

J7	Fatigue crack propagation properties of Ti-5Al-2.5Sn ELI alloy at cryogenic temperatures T.Yuri	..... 607

J8	Development of titanium alloys for brass instrument T.Nozaki	..... 608

Titanium and titanium alloys3

13:00 - 14:20
J9	Microstructure evolution in near-α Ti alloy during ageing M.Maeda	..... 609

J10	High temperature strengths of heat resistant Titanium alloys T.Hashimoto	..... 610

J11	The W effect on the enhancement of creep properties in the Ti2AlNb-based alloy M.Hagiwara	..... 611

J12	Elastic modulus and tensile properties in Ti-V-(Sn)alloy with martensitic(α') microstructure H.Matsumoto	..... 612

Titanium and titanium alloys4

14:30 - 15:30
J13	Effect of interstitial element addition and ageing on the mechanical properties of TiNbAl alloys Y.Horiuchi	..... 612

J14	Microstructures and mechanical properties of Ti-4mol%Au alloys Y.Matsuki	..... 613

J15	Aging behaviour of Ti-20Mo alloys, impact-compressed under a known process E.Sukedai	..... 613

Titanium and titanium alloys5

15:40 - 16:40
J16	Microstructure control of high nitrogen (α + β) type titanium alloy fabricated by solution nitriding T.Ando	..... 614

J17	Effect of Al addition on mechanical properties of Ti-12.8Cr-1.2Fe-Al alloys M.Ogawa	..... 615

J18	Effect of Mo addition on FeTi formation in Ti-Al-Fe based titanium alloys K.Mori	..... 616

March 23. Room18
Ultrafine grained materials-fundamental aspects for ultrafine grained structures1

9:00 - 10:00
J19	Deformation microstructures and orientation distributions in cold-rolled fcc alloys with low stacking fault energy T.Morikawa	..... 617

J20	The influence of drilling parameters and initial structure on the microstructure of drilled hole in carbon steels Li Jinguo	..... 618

J21	Strain gradient hardening in steels obtained by high pressure torsion M.Umemoto	..... 619

Ultrafine grained materials-fundamental aspects for ultrafine grained structures2

10:10 - 11:10
J22	Creation of ultra fine-grained SUS316L steel used warm grooved rolling,and feature of material -Simulation used FE analysis,and tensile-strength after creation- N.Hirota	..... 620

J20	Grain-refinement of C-Mn steel by ultra-fast cooling after hot-rolling in a stable austenite region T.Tomida	..... 621

J21	Grain refinement mechanisms due to super short interval multi-pass rolling in stable austenite region(Development of super short interval multi-pass rolling technology for ultra-fine-grained steel-9) K.K.Miyata	..... 622

Ultrafine grained materials-fundamental aspects for ultrafine grained structures3

11:20 - 12:00
J25	Friction stir welding of TWIP steel with fine grained microstructure R.Ueji	..... 623

J26	Internal friction of severely deformed nickel-base inconel X-750 alloy M.Tanaka	..... 624

Ultrafine grained materials-fundamental aspects for ultrafine grained structures4

13:00 - 14:00
J27	Ultrafine grained steel fabricated by warm forging of mechanically milled powder S.Takagi	..... 625

J28	Microstructure and mechanical properties of bulk nanocrystalline Fe-C alloy produced by SPS of MMed powder K.Oishi	..... 626

J29	Microstructure and mechanical properties of hybrid structured materials produced by the HRS process H.Fujiwara	..... 626

Ultrafine grained materials-fundamental aspects for ultrafine grained structures5

14:10 - 15:10
J30	Grain refinement and thermal stability evaluation of FCC metals processesd by ECAP K.Kishikawa	..... 627

J31	Influences of ECAP and aging on microstructures and mechanical properties of Al-11mass%Ag alloys Victor Alexandru Mosneaga	..... 627

J32	Influence of exsess-Si on aging behavior of Al-Mg2Si alloy processed by ECAP N.Oka	..... 628

Ultrafine grained materials-fundamental aspects for ultrafine grained structures6

14:10 - 15:10
J33	Mechanism of amorphization in TiNi shape memory alloys by severe plastic deformation K.Tsuchiya	..... 628

J34	Superplasticity of Mg-9mass%Al alloy processed by high-temperature HPT M.Kai	..... 629

J35	Accommodation mechanism of incoming dislocations in tilt grain boundary by atomic simulations T.Shimokawa	..... 629

J36	Theoretical study of organic-metal interfaces Rachid Belkada	..... 630