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首页> 外文期刊>JFE technical report >Martensitic Stainless Steel 'jfe410db-er' With Excellent Heat Resistance For Motorcycle Brake Disks
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Martensitic Stainless Steel 'jfe410db-er' With Excellent Heat Resistance For Motorcycle Brake Disks

机译：马氏体不锈钢'jfe410db-er'具有出色的耐热性，适用于摩托车制动盘

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摘要

Low carbon martensitic stainless steel "JFE410DB-ER" with higher heat resistance and corrosion resistance than conventional steels for motorcycle brake disks has been developed. Effects of Nb and N on the heat resistant properties in 12%Cr-1.5%Mn steel were investigated for the purpose of enhancing heat resistance. Addition of Nb introduced fine Nb(C, N), and thereby prevented temper softening. Addition of N decreased the amount of coarse M_(23)C_6 and increased the amounts of solute (C + N) and fine Cr_2(C, N), and thereby prevented temper softening. Additions of Nb and N maintained proper hardness for rotor materials even after tempering at 550℃. Based on these findings, 12%Cr-1.5%Mn-0.13%Nb-0.05%C-0.04%N steel has been developed. The developed steel has excellent durability against temper softening at temperatures exceeding 500℃ compared with conventional steels.
机译：已经开发出比摩托车制动盘的传统钢具有更高的耐热性和耐腐蚀性的低碳马氏体不锈钢“ JFE410DB-ER”。为了提高耐热性，研究了Nb和N对12％Cr-1.5％Mn钢的耐热性的影响。 Nb的引入引入了细的Nb（C，N），从而防止了回火软化。 N的添加减少了粗M_（23）C_6的量，增加了溶质（C + N）和细Cr_2（C，N）的量，从而防止了回火软化。即使在550℃回火后，添加的Nb和N仍能使转子材料保持适当的硬度。基于这些发现，开发了12％Cr-1.5％Mn-0.13％Nb-0.05％C-0.04％N钢。与常规钢相比，开发的钢在超过500℃的温度下具有优异的抗回火软化性。

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