利用激光作为热源使金属板料在无模具下发生热塑性变形是一种新的成形方法。
A new forming process which can make sheet metal thermoplastic deforming without dies through the use of laser as heat source was described.
对A356铸造试样实施热塑性变形，考察变形工序对其组织和性能的影响规律。
Plastic deformation and heat treatment were carried out in the A356 casting sample and the effect of plastic deformation on the structures and properties of A356 was investigated.
介绍了一种利用激光作为热源使金属板料在无模具下发生热塑性变形的新的成形加工方法。
A new forming process which can make sheet metals thermoplastic deformation without dies through the use of a laser as a heat source was described.
探讨了合金元素、变质处理和热塑性变形对亚共晶白口铸铁组织和性能的影响，确定 了合适的成分范围。
The effects of alloying elements, modification treatment and thermoplast ic deformation on the structure and properties of hypoeutectic white cast iron was studied and discussed.
从低合金化、变质处理、热塑性变形、铸造和热处理等几个方面，综述了国内提高普通白口铸铁韧性研究的进展情况。
The ways of improving the toughness of white cast iron Were reviewed by means of low-alloying, modification, hot plast deformation, casting and heat treatment.
从低合金化、变质处理、热塑性变形、铸造和热处理等几个方面，综述了国内提高普通白口铸铁韧性研究的进展情况。
The ways of improving the toughness of white cast iron Were reviewed by means of low-alloying, modification, hot plast deformation, casting and heat treatment.
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