The surface residual stress of tube and bar after drawing straightening and annealing, under different processing conditions, were measured by means of resistance strain gauge.

用电阻应变片法测试了管棒材拉拔、矫直和退火过程中产品表面残余应力，研究了管棒材残余应力随工艺参数变化的规律。

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The key technology of radiator manufacture by Cup ro Braze is not necessary to use flux, kupper solder and annealing resistance mate rial.

铜硬钎焊散热器制造工艺技术的核心是无焊剂、无铅钎焊合金以及抗退火材料。

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The effects of baking temperature, baking time and prestrain on the bake hardenability and dent resistance of isotropic sheet steel and BH sheet steel produced by batch annealing were studied.

研究了烘烤温度、烘烤时间和预拉伸应变量对罩式炉退火工艺生产的各向同性钢的烘烤硬化性的影响，并与力学性能相当的冷轧烘烤硬化钢进行了对比。

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