CrWMn冷作模具钢激光热处理组织和性能研究
Heat Treatment Technology and Equipment（2021）
Abstract
为了提高CrWMn冷作模具钢表面硬度和耐磨性,通过HGLaser6060激光器对CrWMn钢进行激光表面热处理.运用金相显微镜观、显微硬度计和摩擦磨损试验机研究激光热处理工艺参数对CrWMn钢激光淬火层的组织和性能的影响.结果表明,激光表面热处理后,模具钢的硬化层组织明显细化,表面硬化层厚度约为0.60 mm,且表面硬度明显高于心部,耐磨性性能显著提高.
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