Effect of Heat Treatment Temperature on Properties of Vanadium and Titanium Modified Automobile Transmission Shaft Steel
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摘要: 采用不同的正火、淬火和回火温度对钒钛改性汽车传动轴钢进行了热处理, 并进行了冲击和磨损试验。结果表明, 随正火温度从800℃增至880℃, 或随淬火温度从790℃增至870℃, 或随回火温度从520℃增至600℃, 传动轴钢的冲击性能和磨损性能均先提高后下降。传动轴钢的正火、淬火和回火温度分别优选为860、850、580℃。Abstract: The vanadium and titanium modified automobile transmission shaft steels were heat treated with various normalizing temperatures,quenching temperatures and tempering temperatures. The impact property and wear resistance were tested and analyzed. The results show that both of the impact property and wear resistance of the steel first increase and then decrease,with increase of normalizing temperature from 800 ℃ to 880 ℃,or quenching temperature from 790 ℃ to 870 ℃,or tempering temperature from 520 ℃ to 600 ℃.The optimized normalizing temperature,quenching temperature and tempering temperature are 860 ℃,850 ℃ and 580 ℃,respectively.
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