Low Young's Modulus and High Strength Obtained in Ti-Nb-Zr-Cr Alloys by Optimizing Zr Content

被引：8

作者：

Li, Qiang ^{[1
]}

Cheng, Chao ^{[1
]}

Li, Junjie ^{[2
]}

Zhang, Ke ^{[3
]}

Zhou, Kai ^{[1
]}

Nakai, Masaaki ^{[4
]}

Niinomi, Mitsuo ^{[1
,5
,6
,7
,8
,9
]}

Yamanaka, Kenta ^{[5
]}

Wei, Daixiu ^{[5
]}

Chiba, Akihiko ^{[5
]}

Nakano, Takayoshi ^{[6
]}

机构：

[1] Univ Shanghai Sci & Technol, Sch Mech Engn, Shanghai 200093, Peoples R China

[2] Chinese Acad Sci, CAS Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China

[3] Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China

[4] Kindai Univ, Fac Sci & Engn, Dept Mech Engn, 3-4-1 Kowakae, Higashiosaka, Osaka, Japan

[5] Tohoku Univ, Inst Mat Res, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9805377, Japan

[6] Osaka Univ, Grad Sch Engn, Dept Mat & Mfg Sci, 2-1 Yamada Oka, Suita, Osaka 5650871, Japan

[7] Meijo Univ, Grad Sch Sci & Technol, Dept Mat Sci & Engn, Tempaku Ku, 1-501,Shiogamaguchi, Nagoya, Aichi 4688502, Japan

[8] Nagoya Univ, Inst Mat & Syst Sustainabil, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648601, Japan

[9] Kansai Univ, Fac Chem Mat & Bioengn, Osaka 564860, Japan

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2020年 / 29卷 / 05期

基金：

上海市自然科学基金; 日本学术振兴会;

关键词：

beta-type Ti alloys; biomaterial; mechanical properties; microstructure; TWINNING-INDUCED PLASTICITY; MECHANICAL-PROPERTIES; PHASE-STABILITY; TITANIUM-ALLOY; DEFORMATION-BEHAVIOR; CORROSION-RESISTANCE; TENSILE DEFORMATION; BETA; MICROSTRUCTURE; TRANSFORMATION;

D O I：

10.1007/s11665-020-04826-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of Ti-29Nb-(4, 7, 10, 13)Zr-2Cr alloys were fabricated to investigate the influence of Zr content on microstructures and mechanical properties. All the four alloys present a single beta phase after solution treatment. With the increase in Zr content, the 0.2% proof stress is gradually increased from 388 MPa in Ti-29Nb-4Zr-2Cr to 713 MPa in Ti-29Nb-13Zr-2Cr. The Young's modulus gradually is decreased from 80 GPa in Ti-29Nb-4Zr-2Cr to 63 GPa in Ti-29Nb-13Zr-2Cr. The elongation shows the same trend as that of Young's modulus. The changes of mechanical properties are influenced by the beta stability and solid solution strengthening effect, which are both enhanced by Zr addition. The Ti-29Nb-13Zr-2Cr alloy presents a Young's modulus of 63 GPa, tensile strength of 730 MPa and elongation of 18% and is a promising biomedical material.

引用

页码：2871 / 2878

页数：8

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