李德民,李占明,孙晓峰,宋巍,宋鹏,郑必举

• 1:昆明理工大学材料科学与工程学院
• 2:陆军装甲兵学院装备保障与再制造系

摘要(Abstract)：

随着当今社会绿色经济的发展,及对降低能耗要求的提高,低合金高强钢以其优异的综合性能成为装备轻量化设计与制造中的主要结构材料。激光焊接作为一种先进焊接手段,以能量密度大、热输入小、焊缝质量高、易于实现自动化等优点,被广泛应用于低合金高强钢的焊接中。本文在综述了低合金高强钢特点、激光焊接原理、特点及设备的基础上,针对低合金高强钢激光焊接中的塑韧性下降、控制变量过多、激光光斑尺寸较小、等离子体效应等问题及其解决方法进行了详细论述,以期为低合金高强钢激光焊接的高质量工程化应用提供一些建议和思路。

关键词(KeyWords)： 低合金高强钢;激光焊接;塑韧性;有效控制;等离子体

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李德民,李占明,孙晓峰,宋巍,宋鹏,郑必举

DOI: 10.13289/j.issn.1009-6264.2020-0213

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