A new titanium alloy possessed close expansion coefficient to stainless steel

被引：4

作者：

Jiang, X. J. ^{[1
]}

Zhou, Y. K. ^{[1
]}

Tan, C. L. ^{[2
]}

Ma, M. Z. ^{[1
]}

Liu, R. P. ^{[1
]}

机构：

[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China

[2] Beijing Inst Spacecraft Syst Engn, Beijing 100094, Peoples R China

来源：

MATERIALS & DESIGN | 2014年 / 64卷

关键词：

TI-CU ALLOYS; PRECIPITATION; PHASE; MICROSTRUCTURE; DECOMPOSITION; PROPERTY; BEHAVIOR;

D O I：

10.1016/j.matdes.2014.07.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The joining of titanium alloy to conventional structural steel has many industrial applications. However, it is difficult to join titanium alloys to steel due to great differences in thermal, physical, and chemical properties. Among these properties, the expansion coefficient is an important physical parameter. In this study, the expansion coefficient and mechanical properties of Ti-8Cu-5.7Al-3.8Zr (wt.%) alloy were studied. According to the experimental results, the eutectoid structure, which was composed of Ti2Cu and alpha phase, was observed in both air cooled and furnace cooled TiCuAlZr alloy after annealing at 800 degrees C. And the furnace cooled specimen revealed a more evident eutectoid structure. The results also showed that the difference of the average thermal expansion coefficients (-60 to 80 degrees C) between TiCuAlZr alloy and 9Cr18 martensitic stainless-steel were only 4%, which was beneficial to join titanium alloys to stainless steel. In addition, the air cooled specimen exhibited relatively good mechanical properties. The strength and the elongation were 1050 MPa and 8.5%, respectively. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：21 / 24

页数：4

共 22 条

[1] Calculation of thermal expansion coefficients of pure elements and their alloys [J].

Abel, P ;

Bozzolo, G .

SCRIPTA MATERIALIA, 2002, 46 (08) :557-562

[2]

Alexandra OFH, 2014, MATER DESIGN, V55, P1006

[3] ON THE DECOMPOSITION OF BETA-PHASE IN SOME RAPIDLY QUENCHED TITANIUM-EUTECTOID ALLOYS [J].

BHASKARAN, TA ;

KRISHNAN, RV ;

RANGANATHAN, S .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1995, 26 (06) :1367-1377

[4] Hexagonal martensite decomposition and phase precipitation in Ti-Cu alloys [J].

Cardoso, F. F. ;

Cremasco, A. ;

Contieri, R. J. ;

Lopes, E. S. N. ;

Afonso, C. R. M. ;

Caram, R. .

MATERIALS & DESIGN, 2011, 32 (8-9) :4608-4613

[5] Microstructures and mechanical property of laser butt welding of titanium alloy to stainless steel [J].

Chen, Shuhai ;

Zhang, Mingxin ;

Huang, Jihua ;

Cui, Chengji ;

Zhang, Hua ;

Zhao, Xingke .

MATERIALS & DESIGN, 2014, 53 :504-511

[6]

Fang YC, 2010, FUNCT MAT, V41, P1469

[7] The effect of intermetallics on the strength properties of diffusion bonds formed between Ti-5.5Al-2.4V and 304 stainless steel [J].

Ghosh, M ;

Chatterjee, S ;

Mishra, B .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2003, 363 (1-2) :268-274

[8] Structure, mechanical properties, and grindability of dental Ti-Zr alloys [J].

Ho, Wen-Fu ;

Chen, Wei-Kai ;

Wu, Shih-Ching ;

Hsu, Hsueh-Chuan .

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE, 2008, 19 (10) :3179-3186

[9] Acicular α2 precipitation induced by capillarity at α/β phase boundaries in Ti-14Al-2Zr-3Sn-3Mo-0.5Si titanium alloy [J].

Huang, AJ ;

Li, GP ;

Hao, YL ;

Yang, R .

ACTA MATERIALIA, 2003, 51 (16) :4939-4952

[10] Precipitation and recrystallization behavior of beta titanium alloys during continuous heat treatment [J].

Ivasishin, OM ;

Markovsky, PE ;

Matviychuk, YV ;

Semiatin, SL .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2003, 34 (01) :147-158

← 1 2 3 →