研究了室温Ti-1023钛合金由应变控制的低周疲劳行为.对循环应力-应变数据和应变-疲劳寿命数据进行了分析,通过双对数线性回归处理,得出了Coffin-Mason处理模型的疲劳参数.结果表明:合金总应变幅在0.6%~0.8%时,循环初期表现出轻微的循环硬化,然后循环稳定;总应变幅超过0.8%时则表现为循环软化.表明合金的循环应力响应行为取决于外加总应变幅.
参考文献
[1] | Boyer R R;Kuhlman G W .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1987,18:2095. |
[2] | Kuhlman G W;Ishko R P.Beta Titanium Alloys in the1980[M].New York:AIME,1984:255. |
[3] | 杨富民,孙晓峰,管恒荣,胡壮麒.K40S钻基高温合金的高温低周疲劳行为Ⅰ.疲劳性能[J].金属学报,2002(10):1047-1052. |
[4] | Luquiau D;Feaugas X;Clavel M .[J].Materials Science and Engineering A,1997,A224:146. |
[5] | Standard E606[A].Philadelphia:ASTM,1996 |
[6] | Mahajan Y;Margolin H .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1982,13:257. |
[7] | Mahajan;Margolin H .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1982,13:269. |
[8] | Welsch G;Bunk W .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1982,13:889. |
[9] | 马红征,黄汉良,胡耀君.Ti-31合金的低周疲劳性能研究[J].稀有金属材料与工程,1997(01):27-30. |
[10] | ASTM STP 520[S].ASTM STP 520,1973. |
[11] | 张志仁.钛合金低周疲劳性能研究[J].稀有金属材料与工程,1994(04):56-60. |
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