磨削深度对 γ-TiAl合金表面完整性和疲劳性能的影响
Influence of Grinding Depth on the Surface Integrity and Fatigue Property of γ-TiAl Alloy
磨削深度对 γ-TiAl合金表面完整性和疲劳性能的影响 |
| 倪明杰, 刘仁慈, 周浩浩, 杨超, 葛术宇, 刘冬, 史凤岭, 崔玉友, 杨锐 |
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Influence of Grinding Depth on the Surface Integrity and Fatigue Property of γ-TiAl Alloy |
| NI Mingjie, LIU Renci, ZHOU Haohao, YANG Chao, GE Shuyu, LIU Dong, SHI Fengling, CUI Yuyou, YANG Rui |
| 图10 γ-TiAl合金磨削表层温度变化与应力示意图 |
| Fig.10 Schematic of stress and temperature in the grinding surface layer of γ-TiAl plate (Fp—grinding force, α—angle between radius and ch-ord or angle between chord and grinding direction, Fa—axial component force of Fp, Ft—tangential component force of Fp, Fn—normal component force of Fp, R—grinding wheel radius, Ta—average temperature in the surface of the workpiece contacted with wheel, fn—tensile stress along depth caused by thermal contraction, fr—tensile stress parallel to grinding direction caused by thermal contraction) |
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