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首页> 外文期刊>ISRN Mechanical Engineering >Effect of Cryosoaking Time on Transition in Wear Mechanism of M2 Tool Steel
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Effect of Cryosoaking Time on Transition in Wear Mechanism of M2 Tool Steel

机译：低温浸泡时间对M2工具钢磨损机理转变的影响

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摘要

Specimens of M2 were hardened (H) by quenching at 1200°C, triple tempered (TTT) at 400°C, and then cryogenically (C) treated at minus 185°C for varying lengths of time interval starting from 4 hours to 48 hours of cryosoaking followed by soft tempering at 100°C to relieve cold stresses (HTC). Underlying wear mechanism, hardness, and impact energy were studied and optimum cryosoaking time was established. It was felt that wear resistance of cryogenically treated material was influenced by the so-called tertiary carbides possibly produced as a result of cryogenic treatment.
机译：M2的样品在1200°C淬火（H），400°C三重回火（TTT）的条件下硬化（H），然后在负185°C进行低温（C）低温处理（从4小时到48小时不等）先进行低温冷冻，然后在100°C进行软化以缓解冷应力（HTC）。研究了基本的磨损机理，硬度和冲击能，并确定了最佳的冷冻时间。可以感觉到，经过低温处理的材料的耐磨性受到低温处理结果可能产生的所谓的三次碳化物的影响。

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