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di tan ma shi ti 35 hao gang li bi
Pages: 62-71
Year: Issue:  7
Journal: Cereals and Oils Processing

Keyword:  犁壁喷水压力淬火硬度对比试验渗碳钢生产成本生产效率氯化钠水溶液回火低碳马氏体;
Abstract: <正> 犁壁是耕作机械的基础件之一,又是量大面广的易损件,据不完全统计,全国每年用于生产犁壁的钢材约八千吨。目前各农机厂基本上都是采用低碳钢经固体(或气体)渗碳制造犁壁,工艺落后,生产效率低,劳动强度大,质量不稳定,生产成本高,使用寿命短。根据一机部新材料十年科研规划和基础件攻关的要求,由黑龙江省农机厂、广
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