摘要
为探讨较高的冲击力对中碳合金钢的冲击腐蚀磨损规律,对中碳合金钢经900℃淬火、200℃低温回火得到的复相组织的磨损特性和机理进行了试验研究。结果表明:中碳合金钢的耐磨性随冲击功的增加而明显下降;剥落裂纹起源于表面,在亚表层中扩展;冲击功由2.1 J增至3.6 J,中碳合金钢在冲击腐蚀条件下的磨损失效机制由以浅层剥落为主向以深层剥落为主转变。
Wear characteristics and mechanisms of a medium carbon alloy steel after quenching at 900℃ and low temperature tempering at 200 ℃were investigated under the condition of impact corrosive wear. The results showed that the wear resistance of the medium carbon alloy steel decreased significantly with increasing impact power. Spalling cracks were initiated and propagated at the surface. Wear failure mechanisms of the medium carbon alloy steel under the condition of impact corrosion transformed from dominated shallow peeling to dominated deep delamination, when impact power increased from 2. 1 J to 3.6 J.
出处
《腐蚀与防护》
CAS
北大核心
2009年第10期724-726,共3页
Corrosion & Protection
关键词
机械零件
中碳合金钢
冲击
腐蚀
磨损
特性
mechanical part
medium carbon alloy steel
impact
corrosion
wear
characteristic
