激光焊接是近年发展起来的激光加工技术，并立即成为激光加工中的重要领域。激光焊接具有光束能量密度高、焊接速度快、热影响区区域小、焊接热变形小、焊缝窄且外形美观；是一种高质量、高精度、高速度的焊接方法，在机械制造、汽车、航空航天、造船、微电子等行业得到越来越广泛的应用。如在汽车制造中，激光拼焊(Tailored Blanks Laser Welding)技术的应用逐渐广泛并成为趋势。
英文译文：
Laser welding is one of the laser processing technology, it developed in recent years and immediately became an important field of laser processing technology. Laser welding has the advantages of high beam energy density, fast welding speed, small heat-affected region, small welding heat deformation, narrow welded joint and pleasing appearance, is a high quality, high precision, fast speed welding method, and it has been widely used in mechanical manufacturing industry, automobile industry, aerospace industry, shipping manufacturing industry, microelectronic industry. For example, the application of the tailored blanks laser welding technology in automobile industry has been more and more widely, and has became a tendence.