【摘要】 通过对 3Cr2 3Ni8Mn3N与常用的大功率柴油机排气阀用钢 4Cr14Ni14W2 Mo的力学性能和显微组织的比较、分析 ,发现 3Cr2 3Ni8Mn3N的固溶处理温度范围宽、晶粒细小 ,具有组织、性能、热处理工艺及价格优势。认为3Cr2 3Ni8Mn3N能满足大功率柴油机排气阀的力学性能要求 ,具有用作大功率柴油机排气阀用钢的可行性更多还原

【Abstract】 For the two kind of materials,3Cr23Ni8Mn3N and usually used 4Cr14Ni14W2Mo,the contrast and analysis of their mechanical property and microsructure show that 3Cr23Ni8Mn3N has superiority in structure,perfacrmance,heat treatment process,low cost with a wide solid dissolving treatment temperatures and fine grains.So 3Cr23Ni8Mn3N can satisfy the performance requirements for the high power diesel engine exhaust valve and have the feasibility of wide applications for this kind of parts.更多还原