45号钢表面激光硬化拉伸力学性能与断口分形维数关系的研究

来源 :第十届全国激光技术与光电子学学术会议 | 被引量 : 0次 | 上传用户:chtg
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  采用激光相变硬化技术对45 钢拉伸试样表面进行处理,通过拉伸实验获得强度极限,并用电子显微镜(SEM)对断口表面进行了分形分析,断面具有分形特征,利用分形理论计算了断面的分形维数。研究结果表明,激光束功率、拉伸强度极限和断面分形维数之间有对应关系。
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