研究了添加铜对含钙铝合金热处理性能影响。
The effect of copper additions on the heat treatment properties of aluminum alloy containing calcium was studied.
马氏体不锈钢，耐腐蚀，抛光性能优异，热处理性能稳定硬度HRC51 ~53。
Martensitic stainless steel corrosion resistance, excellent polishing treatment stable performance HRC51 hardness - 53.
辊套(1)的热处理性能好，硬度均匀，硬度梯度从表面层向芯部下降梯度小。因此镶套支承辊的使用寿命长。
High heat treatment performance of roller sleeve (1), uniform hardness, reasonable hardness gradient, thus ensure the long service life of inlaid backup roller.
为此，通过一定的工艺试验对这种钢的热处理性能进行进一步的探索，从而确定特定性能下的热处理工艺规范。
So it is meaningful to further study its heat treatment performance by process test, so that the heat treatment process standard is established to meet special requirement.
热处理是将金属在固态加热和冷却以改变其物理性能的操作。
Heat treatment is the operation of heating and cooling a metal in its solid state to change its physical properties.
如果适当地调整碳和其他合金元素的比例，并施用不同的热处理方法，就能制造具有各种不同物理性能的钢。
The appropriate control of the amount of carbon and other alloying elements and various heat treatment may provide a wide range of physical properties in steel.
热处理时，会改变粉末的物理性能。
Physical properties of powders would change during thermal treatment.
据我所知，热处理是人们改变金属物理性能的一种方法。
To my knowledge, heat treatment is a method by which the physical properties of metal can be changed.
确定焊后热处理温度，并且通过各项实验证明焊后热处理温度的合理性。
The post welding heat temperature is determined and we proved the reasonable by a series of experiments.
确定焊后热处理温度，并且通过各项实验证明焊后热处理温度的合理性。
The post welding heat temperature is determined and we proved the reasonable by a series of experiments.
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