摘要
针对GJB 1855A-2008《铍材微屈服强度测试方法》中提到的加载方式,提出先估算出微屈服应力对应的大致载荷位置,然后以该载荷的80%作为首次加载起点,再进行逐级加载卸载试验,直到得出对应的微屈服值。这样可免去之前不必要的加载卸载循环过程,缩短了试验时间,提高了试验的稳定性。建议在今后的标准修改中对加载方法进行修订。
For the load method showed in GJB 1855A-2008 'Test Method for Micro-yield Strength of Beryllium',it was suggested that estimate the micro-yield load before test,and start load form the 80%of estimate load.The method could avoid the unnecessary load circulation,mostly shorten the test time and improve test stability.Suggests in the future work of the standard edit,change the load method.
出处
《理化检验（物理分册）》
CAS
2014年第9期668-670,共3页
Physical Testing and Chemical Analysis(Part A:Physical Testing)
关键词
铍材
微屈服强度
标准
加载
beryllium material
micro-yield strength
standard
loading
