The changes of temperature field are calculatedaccordingly.The feasibility of using pulse laser for laser surface transformationhardening and laser surface remelting is also analyzed.

• 此外还从理论上计算了激光脉冲在脉冲宽度加宽后的温度场变化,分析了利用长脉冲激光进行材料表面相变硬化和激光重熔的可行性。