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    一些模具钢中合金元素的作用

    来源:https://www.jnqhmj.com/ 日期:2022-08-25 发布人:guanli


    我们所说的模具钢大多数是合金钢,这是因为在铸造模具钢时加入合金元素可以提高模具钢的性能,下面冷作模具钢厂家就为大家分享一些模具钢中合金元素的作用吧。
    Most of the die steels we mentioned are alloy steels. This is because alloy elements can improve the performance of die steels when casting die steels. The following cold work die steel manufacturers will share the role of alloy elements in die steels.
    1、硅在钢中的作用:
    1. Role of silicon in steel:
    (1)提高钢中固溶体的强度和冷加工硬化程度使钢的韧性和塑性降低。
    (1) Increasing the strength of solid solution in steel and the degree of cold work hardening will reduce the toughness and plasticity of steel.
    (2)硅能显着地提高钢的弹性极限、屈服极限和屈强比,这是一般弹簧钢。
    (2) Silicon can significantly improve the elastic limit, yield limit and yield strength ratio of steel, which is a general spring steel.
    (3)耐腐蚀性。硅的质量分数为15%一20%的高硅铸铁,是很好的耐酸材料。含有硅的钢在氧化气氛中加热时,表面也将形成一层SiO2薄膜,从而提高钢在高温时的抗氧化性。
    (3) Corrosion resistance. High silicon cast iron with silicon content of 15% - 20% is a good acid resistant material. When the steel containing silicon is heated in an oxidizing atmosphere, a layer of SiO2 film will also be formed on the surface, thus improving the oxidation resistance of the steel at high temperature.
    2、锰在钢中的作用:
    2. Role of manganese in steel:
    (1)锰提高钢的淬透性。
    (1) Manganese improves the hardenability of steel.
    (2)锰对提高低碳和中碳珠光体钢的强度有显着的作用。
    (2) Manganese has a significant effect on improving the strength of low carbon and medium carbon pearlite steels.
    (3)锰对钢的高温瞬时强度有所提高。
    (3) Manganese improves the instantaneous strength of steel at high temperature.
    3、铬在钢中的作用:
    3. Role of chromium in steel:
    (1)铬可提高钢的强度和硬度。
    (1) Chromium can improve the strength and hardness of steel.
    (2)铬可提高钢的高温机械性能。
    (2) Chromium can improve the high temperature mechanical properties of steel.
    冷作模具钢
    (3)使钢具有良好的抗腐蚀性和抗氧化性。
    (3) So that the steel has good corrosion resistance and oxidation resistance.
    (4)阻止石墨化。
    (4) Prevent graphitization.
    (5)提高淬透性。
    (5) And the hardenability is improved.
    4、镍在钢中的作用:
    4. The role of nickel in steel:
    (1)可提高钢的强度而不显着降低其韧性。
    (1) The strength of the steel can be improved without significantly reducing its toughness.
    (2)镍可降低钢的脆性转变温度,即可提高钢的低温韧行。
    (2) Nickel can reduce the brittle transition temperature of steel and improve the low temperature toughness of steel.
    (3)改善钢的加工性和可焊性。
    (3) Improve the machinability and weldability of steel.
    (4)镍可以提高钢的抗腐蚀能力,不仅能耐酸,而且能抗碱和大气的腐蚀。
    (4) Nickel can improve the corrosion resistance of steel. It can not only resist acid, but also alkali and atmospheric corrosion.
    5、钼在钢中的作用:
    5. Role of molybdenum in steel:
    (1)钼对铁素体有固溶强化作用。
    (1) Molybdenum has solid solution strengthening effect on ferrite.
    (2)提高钢热强性
    (2) Improve the thermal strength of steel
    (3)抗氢侵蚀的作用。
    (3) Resistance to hydrogen attack.
    (4)提高钢的淬透性。
    (4) Improve the hardenability of steel.
    以上就是小编为大家分享的一些模具钢中合金元素的作用,希望对大家有所帮助,如果大家希望了解更多有关模具钢的知识欢迎大家继续关注我们网站https://www.jnqhmj.com
    The above is the role of alloy elements in die steel shared by Xiaobian. I hope it will help you. If you want to know more about die steel, please continue to follow our website https://www.jnqhmj.com !

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