Surface modification by high-speed laser gas carburization in low-alloy steel
Surface modification by high-speed laser gas carburization in low-alloy steel
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DOI：
10.1016/j.matlet.2020.128586
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发表时间：
2020-12
影响因子：
3
通讯作者：
T. Hirata;T. Yamaguchi;Yujiro Yokoyama;H. Hoshino
中科院分区：
文献类型：
--
作者：
T. Hirata;T. Yamaguchi;Yujiro Yokoyama;H. Hoshino
钢的渗碳是广泛使用的工业技术;然而，该过程通常需要较长的处理时间。在此，使用包括塑料腔室的设备在丙烷气体气氛中对低合金钢进行激光照射。该方法是一种在无液相温度范围内进行激光渗碳的新技术。通过控制激光照射条件，材料可以在~1500 K的温度下渗碳，这是使用常规渗碳设备难以实现的。该方法大大减少了处理时间，即，促进了高速渗碳。
Carburization of steels is a widely used industrial technique; however, a long processing time is generally required for this process. Herein, laser irradiation in low-alloy steel in a propane gas atmosphere was conducted using equipment that comprises a plastic chamber. This method is a novel laser carburization technique conducted in the liquid-phase-free temperature range. By controlling the laser irradiation conditions, the material could be carburized at a temperature of ~1500 K, which is difficult to achieve using conventional carburizing equipment. This method substantially reduced the processing time, i.e., promoted high-speed carburization.