Analysis of Double Shear Strength in β21S Titanium Alloy
Certain applications may require high-strength titanium fastener with a combination of high tensile strength, shear strength and fatigue strength. Over the past few years, the study of the relationship between the heat treatment parameter and the tension strength or fatigue strength in titanium alloy has achieved a strong development. But there has little information on the shear strength. In this; work,| 321s titanium alloy has been adopted to investigate the characteristics of aging treatment on the shear strength. The results show that the longer the aging holding time is, the lesser of a phase amount becomes. Hence, the higher aging temperature results in a decrease in shear strength. The SEM images reveal that the a precipitates were slightly coarser after long holding times during aging treatment. As a result, the shear strength increases. An additional investigation in this study is about the effect of the specimens dimension on the shear strength. It is showed that with the increase of the specimen s dimension, the double-shear strength decreases.
Shear strength aging treatment β21s fastener
Zhongbo Zhou Lijun Zhang Yi Chen Hongchao Kou Jinshan Li Hui Chang Lian Zhou
State Key Laboratory of Solidification Processing,Northwestern Polytechnical University ..Xian 7100 Xian Supercrystal Sci-Tech Development Co. ,Ltd,Xian 710016,China
国际会议
The 12th World Conference Titanium(第十二届世界钛会 Ti-2011)
北京
英文
1145-1147
2011-06-19（万方平台首次上网日期，不代表论文的发表时间）