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            一些模具鋼中合金元素的作用

            來源:http://www.environmentandpeople.net/ 日期:2022-08-25 發布人:guanli


            我們所說的模具鋼大多數是合金鋼,這是因為在鑄造模具鋼時加入合金元素可以提高模具鋼的性能,下面冷作模具鋼廠家就為大家分享一些模具鋼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、硅在鋼中的作用:
            1. Role of silicon in steel:
            (1)提高鋼中固溶體的強度和冷加工硬化程度使鋼的韌性和塑性降低。
            (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)硅能顯著地提高鋼的彈性極限、屈服極限和屈強比,這是一般彈簧鋼。
            (2) Silicon can significantly improve the elastic limit, yield limit and yield strength ratio of steel, which is a general spring steel.
            (3)耐腐蝕性。硅的質量分數為15%一20%的高硅鑄鐵,是很好的耐酸材料。含有硅的鋼在氧化氣氛中加熱時,表面也將形成一層SiO2薄膜,從而提高鋼在高溫時的抗氧化性。
            (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、錳在鋼中的作用:
            2. Role of manganese in steel:
            (1)錳提高鋼的淬透性。
            (1) Manganese improves the hardenability of steel.
            (2)錳對提高低碳和中碳珠光體鋼的強度有顯著的作用。
            (2) Manganese has a significant effect on improving the strength of low carbon and medium carbon pearlite steels.
            (3)錳對鋼的高溫瞬時強度有所提高。
            (3) Manganese improves the instantaneous strength of steel at high temperature.
            3、鉻在鋼中的作用:
            3. Role of chromium in steel:
            (1)鉻可提高鋼的強度和硬度。
            (1) Chromium can improve the strength and hardness of steel.
            (2)鉻可提高鋼的高溫機械性能。
            (2) Chromium can improve the high temperature mechanical properties of steel.
            冷作模具鋼
            (3)使鋼具有良好的抗腐蝕性和抗氧化性。
            (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、鎳在鋼中的作用:
            4. The role of nickel in steel:
            (1)可提高鋼的強度而不顯著降低其韌性。
            (1) The strength of the steel can be improved without significantly reducing its toughness.
            (2)鎳可降低鋼的脆性轉變溫度,即可提高鋼的低溫韌行。
            (2) Nickel can reduce the brittle transition temperature of steel and improve the low temperature toughness of steel.
            (3)改善鋼的加工性和可焊性。
            (3) Improve the machinability and weldability of steel.
            (4)鎳可以提高鋼的抗腐蝕能力,不僅能耐酸,而且能抗堿和大氣的腐蝕。
            (4) Nickel can improve the corrosion resistance of steel. It can not only resist acid, but also alkali and atmospheric corrosion.
            5、鉬在鋼中的作用:
            5. Role of molybdenum in steel:
            (1)鉬對鐵素體有固溶強化作用。
            (1) Molybdenum has solid solution strengthening effect on ferrite.
            (2)提高鋼熱強性
            (2) Improve the thermal strength of steel
            (3)抗氫侵蝕的作用。
            (3) Resistance to hydrogen attack.
            (4)提高鋼的淬透性。
            (4) Improve the hardenability of steel.
            以上就是小編為大家分享的一些模具鋼中合金元素的作用,希望對大家有所幫助,如果大家希望了解更多有關模具鋼的知識歡迎大家繼續關注我們網站http://www.environmentandpeople.net!
            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 http://www.environmentandpeople.net !

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