学位：博士
职称：教授
所在单位：材料科学与工程学院
长期从事金属材料蠕变、组织演化、损伤及寿命预测工作。主持和参加国家自然科学基金重点和面上项目6项，“863”计划课题2项，省部级及企业项目20余项。获国家发明专利5项，发表学术论文200余篇。出版专著“耐热钢持久性能的统计分析及可靠性预测”1部（科学出版社），译著“高温合金”1部，编著1部。获辽宁省教学名师，宝钢教育奖优秀教师奖。辽宁省教学成果一等奖1项，国家本科一流课程、国家精品在线开放课程负责人。Emerald出版社颁发的学术奖“Literati Club Awards for Excellence”，金属学报2009-2015年度优秀论文奖。省部级科技奖励一等奖、二等奖5项。
Allowable stress design of rupture strength based on confidence level of heat resistant steel
点击次数：
论文类型：会议论文
发表时间：2009-01-01
收录刊物：CPCI-S
页面范围：331-335
关键字：Allowable stress; Rupture strength; Confidence level; Reliability design
摘要：A statistical analysis of creep rupture data for 9Cr1Mo and HP steels is carried out in this paper. The scattering of creep rupture data is represented by Z-parameter method based on the time-temperature parameter method. With the application of Z-parameter, reliability design of allowable stress is carried out according to design life. The higher the value of confidence level, the lower the allowable stress. In comparison with allowable stress designed by safety factor method, it can be seen that confidence level is different with the same safety factor for different steels. The dispersion of material rupture property can not be taken into account by safety factor method. Reliability design provides more precise results by considering the real distribution of creep rupture property. And reliability design provides more flexible choice for design due to the need of safety and economy.
发表时间：2009-01-01
