热处理对镍钛合金丝材超弹性和相变的影响
发布时间：2019-07-08 16:10
【摘要】：通过差示扫描量热仪和拉伸测试等手段,研究退火温度和时间对镍钛形状记忆合金超弹性和相变的影响。拉伸测试结果表明:在400、450、500、550和600℃退火保温5、10、15、20和30 min过程中,随着退火温度升高或退火时间延长,合金的超弹性下降,低温短时退火易获得良好的超弹性。DSC测试结果表明:随退火温度的升高,马氏体-奥氏体逆相变终了温度降低;随着退火时间延长,马氏体-奥氏体逆相变终了温度逐渐升高。循环拉伸测试结果表明,随着退火温度升高或退火时间的延长,合金的残余应变不断增大。
[Abstract]:The influence of annealing temperature and time on the superelasticity and phase transition of Ni-Ti shape memory alloy was studied by means of differential scanning calorimeter and tensile test. The results of the tensile test show that in the process of annealing at 400,450,500,550 and 600 鈩，
本文编号：2511712
[Abstract]:The influence of annealing temperature and time on the superelasticity and phase transition of Ni-Ti shape memory alloy was studied by means of differential scanning calorimeter and tensile test. The results of the tensile test show that in the process of annealing at 400,450,500,550 and 600 鈩，
本文编号：2511712
本文链接：https://www.wllwen.com/kejilunwen/jiagonggongyi/2511712.html
