欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
在应变载荷控制下对TC21钛合金薄壁管光滑试件进行单轴、拉一扭比例、非比例恒幅、变幅加载试验，研究其疲劳行为。研究表明，TC21钛合金在单轴和多轴比例恒幅载荷下均表现为循环软化，并且应变载荷水平越大软化越明显。非比例变幅加载时，前期的大应变载荷对材料的轴向拉压特性具有强化作用，使得后期小应变载荷下的循环特性出现硬化现象。
英文摘要：
The fatigue properties of TC21 Ti-alloy for thin-wall tube specimen are investigated under uniaxial, tension-torsion propor- tional, non-proportional and variable amplitude loading. All tests are strain-controlled. The results indicate that cyclic softening behavior is shown for TC21 alloy under uniaxial and proportional tension-torsion constant amplitude loading, and the cyclic softening is more obvious under large strain amplitude loading. The large strain loading followed by small strain loading under non-proportional loading, shows that the cyclic hardening for tension stress is responded in the smaller strain loading stage due to the previous larger strain loading strengthening for tensional properties.
同期刊论文项目
同项目期刊论文
Mechanism of healing fatigue damage by pulsed laser surface irradiation for polycrystalline copper f
Effect of temperature induced by laser irradiation processing on fatigue damage repairing for copper
A coupled plasticity correction approach to estimating notch root strains under multiaxial cyclic lo
Multiaxial fatigue life prediction method based on path-dependent cycle counting under tension/torsi
Multiaxial fatigue damage parameter and life prediction under low cycle loading for GH4169 alloy and
Fatigue life prediction under variable amplitude axial-torsion loading using maximum damage paramete
期刊信息
位置：