热处理对飞轮耐磨损性能的影响
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摘要
采用不同的淬火温度和回火温度对20Cr钢飞轮试样进行了热处理,并分别在25℃室温和500℃高温环境下测试其磨损体积。结果表明:在试验条件下,随淬火温度从700℃增大到825℃或回火温度从160℃增大到200℃,飞轮的室温和高温磨损体积均先减小后增大,耐磨损性能先提高后下降。飞轮淬火和回火温度分别优选为800、180℃。
20 Cr steel flywheel specimens were heat-treated by using different quenching temperatures and tempering temperatures. The wear volumes were measured at room temperature of 25 ℃and at high temperature of 500 ℃, respectively.The results show that: under the experimental conditions, with the quenching temperature increasing from 700 ℃to 825 ℃or the tempering temperature increasing from 160 ℃ to 200 ℃, the wear volumes of flywheel at room temperature and high temperature decrease firstly and then increase, and the wear resistance increases firstly and then decreases. The flywheel quenching and tempering temperature are preferably 800 ℃ and 180 ℃, respectively.
20 Cr steel flywheel specimens were heat-treated by using different quenching temperatures and tempering temperatures. The wear volumes were measured at room temperature of 25 ℃and at high temperature of 500 ℃, respectively.The results show that: under the experimental conditions, with the quenching temperature increasing from 700 ℃to 825 ℃or the tempering temperature increasing from 160 ℃ to 200 ℃, the wear volumes of flywheel at room temperature and high temperature decrease firstly and then increase, and the wear resistance increases firstly and then decreases. The flywheel quenching and tempering temperature are preferably 800 ℃ and 180 ℃, respectively.
引文
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[2]蒋书运,卫海岗,沈祖培,等.飞轮储能技术研究的发展现状[J].太阳能学报,2000,21(4):427-433.
[3]杨涤心,孙远方.S890低合金高强度结构钢焊接性能的研究[J].热加工工艺,2010,39(17):180-182.
[4]王金强,初向光.热挤压模的选材与复合热处理[J].金属热处理,2005,30(1):84-85.
[5]邓自刚,王家素,王素玉,等.高温超导飞轮储能技术发展现状[J].电工技术学报,2008,23(12):1-10.
[6]程三海,解亚飞,王雪帆,等.飞轮储能技术综述[C]//福建省电机工程学会.湖北省电工技术学会,湖北省电机工程学会,福建省电机工程学会2000年学术年会论文集.福州:福建省电机工程学会,2000:27-31.
[7]王大承,史晓强,张永康,等.20Cr Mo低合金结构钢激光表面强化研究[J].激光杂志,2001,22(5):66-67.