...碳素结构钢板；冷弯试验；碳当量；工艺优化 [gap=653]Key words：carbon constructional quality steel plate;cold-bending test; carbon equivalent;process optimization ...
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cold bending test 冷弯曲试验 ; 常温弯曲试验 ; 冷弯试验常温弯曲试验
Tensile and cold bending test 拉伸与冷弯
cold bending rupture test 低温弯曲破坏试验
The cold bending property is one of the important targets for the hot rolled strip, the cold bending test is required inspection item stipulated in the standards.
冷弯性能是热轧中薄板带材的重要指标之一，冷弯试验是标准规定的必检项目，但在实际生产中经常出现冷弯不合格现象。
The criterion of cold bending test has clearly effect also.
冷弯试验标准也有较大影响；
The higher the cooling rates, the greater the thermal stress, and the lower the toughness and the cold bending property of test sample.
冷却速度快，试样产生的热应力大，导致冲击韧性及冷弯性能降低。
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