The result shows that the strength, especially elongation, of adjusted pressure casting sample is increased dramatically under the same conditions of melting and heat treatment.
结果表明，在相同的熔铸工艺和热处理条件下，调压铸造试样的强度，特别是延伸率得到大幅度提高。
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.
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。
Chemical composition of casting sample, regarded as the composition of smelting steel, has already been not suitable for the production requirements of continuous casting process.
浇注样成分作为熔炼成分已不适合连铸的生产要求。
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