许多金属材料，不管它有什么样的硬度，都可以用激光进行无变形的切割。
A lot of metal materials, no matter what kind of hardness, can be used to carry out the deformation of laser cutting.
结果表明，当焊接工艺参数合适时，可以获得表面成形良好、无变形的铝合金与钢的对接接头和搭接接头。
The results shown that a deformation-free joint with good weld surface appearance can be obtained with suitable welding conditions for butt-joint and lap-joint of the dissimilar materials.
利用激光熔覆成形技术制备出平整无变形的镍基合金样品，对显微组织中的层生长模式、晶粒生长模式，重熔情况以及一些缺陷等凝固组织的特征进行了详细分析。
Laser cladding forming(CLF) has been used to build up solid samples from the Ni-based powders. The appearances of these samples are smooth and no apparent shape distortion.
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