张昭

个人信息Personal Information

教授

博士生导师

硕士生导师

主要任职:Professor in Process Mechanics

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:力学与航空航天学院

学科:制造工艺力学. 工程力学. 计算力学

办公地点:综合实验1号楼619

联系方式:0411-84708432

电子邮箱:zhangz@dlut.edu.cn

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Research of the Influence of Loading Frequency on the Fatigue Property of FV520B-I and Establishment of Fatigue Conversion Model

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论文类型:会议论文

发表时间:2016-01-01

收录刊物:CPCI-S

页面范围:142-146

关键字:Ultrahigh loading frequency; FV520B-I; Fatigue strength; Fatigue conversion model

摘要:Fatigue property of FV520B-I can be affected by the changing of the loading frequency. However few theories about neither the experimental data correction nor the fatigue conversion model for FV520B-I has ever been proposed. Both ultrasonic experiment and conventional experiment are conducted out to obtain the fatigue data. An FV520B-I empirical fatigue life conversion model is established with a fitting algorithm based on the experimental data. Also the fatigue strength correction coefficients of FV520B-I are obtained and a new material frequency correction factor is introduced to modify the coefficients. The FV520B-I fatigue conversion models are established with comprehensive use of the correction factor. This investigation for FV520B-I is novel and has an important significance in the remanufacturing engineering for FV520B-I.