外加电场对金属材料激光吸收率的影响

The effect of external applied electric field on the laser absorption of metal materials

在激光热表面热处理行业中,高反射的金属材料对激光热处理非常不利。为增加金属材料在激光热处理过程中的激光吸收率,研究了外加电场对金属材料激光吸收率的影响,提出了一种饱和温度法测激光吸收率的方法,并应用此方法测得2Crl3不锈钢在外加电压下的激光吸收率。结果表明,外加电场可增加金属材料的激光吸收率。

High reflective metal materials have some disadvantages on laser heat treatment. In order to increase the laser absorption of metal materials, the effect of external applied electric field on the laser absorption was studied. A so-called saturated temperature technique was put forward to measure the laser absorptivity of 2Cr13 stainless steel with external applied electric field applied. The test results indicated the external electric field could increase the laser absoptivity of metal materials.