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首页> 外文期刊>Advances in Mechanical Engineering >Surface characterization of Ti1023 alloy shot peened by cast steel and ceramic shot:
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Surface characterization of Ti1023 alloy shot peened by cast steel and ceramic shot:

机译：用铸钢和陶瓷喷丸处理的Ti1023合金喷丸的表面特性：

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摘要

To optimize the surface properties such as surface roughness, residual stress, and micro-hardness of Ti1023 titanium alloy, the effects of shot peening on Ti1023 alloy were investigated. Surface roughness, surface topography, residual stress, micro-hardness, and micro-structure were carried out at different shot-peening parameters. The results demonstrate that the increased peening intensity enhances the surface roughness, compressive residual stresses, and hardness in subsurface, which is mainly due to the plastic deformation in the near surface layer. Specimen 11 has a low surface roughness of Ra?=?1.91?μm, well-developed dimple topography, higher compressive residual stress layer depth of 143?μm, and higher hardened layer depth of 200?μm. The ceramic shots with a diameter of 1.08?mm and peening intensity of 0.18?mm?A are the optimal shot-peening conditions.
机译：为了优化Ti1023钛合金的表面性能，例如表面粗糙度，残余应力和显微硬度，研究了喷丸处理对Ti1023合金的影响。在不同的喷丸处理参数下进行表面粗糙度，表面形貌，残余应力，显微硬度和显微组织。结果表明，增加的喷丸强度会提高表面粗糙度，压缩残余应力和地下硬度，这主要归因于近表层的塑性变形。试样11的表面粗糙度Ra ＝＝1.91μm低，凹坑形貌良好，压缩残余应力层深度为143μm，硬化层深度为200μm。直径1.08？mm的陶瓷喷丸和0.18？mm？A的喷丸强度是最佳的喷丸条件。

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