用火焰淬火提高低碳铸钢件的耐磨性

• 出 处: 国外机车车辆工艺
• 发表日期: 1978年04期
• 关键词: 铸钢件 火焰淬火 钩舌 低碳 堆焊修复 耐磨性 磨损量 奥氏体化 快速加热淬火 淬火硬化

一、前言一般低碳铸钢件除有适用于各种形状尺寸的特点外,由于材料费用也便宜等,因而应用的范围很广。铸造后的热处理通常是进行退火或正火。不过,根据使用条件,对局部摩擦磨损所采用的办法是报废,或者加以堆焊修复后再用,而没有采取积极的防止磨损的措施。所以,即使是

First, the general introduction of low-carbon steel castings in addition to apply to a variety of shape and size characteristics, the material costs are also cheaper, and thus a wide range of applications. After the casting heat treatment is usually carried out annealing or normalizing. However, according to the conditions of use, the local friction and wear used by the method is scrapped, or be used after surfacing repair, and did not take active measures to prevent wear. So even if it is