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Bina Teknika Pub Date : 2017-12-20 DOI:10.54378/bt.v13i2.218

Media Nofri, Acang Taryana

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引用次数: 6

摘要

在世界制造业中广泛使用的合金钢是工具钢的类型，因为它具有特殊的特性，并且包括特殊钢。制造业广泛使用的一种工具钢是61型SKD钢。ST 41钢材料为低碳钢，含碳量为0.08% -0.20%。st41钢通常用作工业机械部件，但在这种情况下，st41钢的强度不如skd61钢。因此，要提高st41钢的质量。通过热处理工艺可以提高质量。获得硬度需要加热工艺、保温时间、冷却介质、精确的硬化温度，并看材料比较SKD 61钢和ST 41钢硬化工艺前后的硬度性质和显微组织。硬度测试结果SKD 61非热处理钢材料的硬度值等于197 HV, ST 41非热处理钢材料的硬度值等于165 HV, 900⁰C硬化后的硬度值为154 HV, 950⁰C硬化后的硬度值为152 HV, 1000⁰C硬化后的硬度值为161 HV。金相分析结果显示，st41钢的显微组织发生了变化，硬化组织转变为贝氏体-铁素体后，硬化组织更加占优势

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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ANALISIS SIFAT MEKANIK BAJA SKD 61 DENGAN BAJA ST 41 DILAKUKAN HARDENING DENGAN VARIASI TEMPERATUR

The alloy steel that is widely used in the world of manufacturing industry is the type of tool steel because it has special characteristics and includes special steel. One type of tool steel that is widely used by the manufacturing industry is SKD steel type 61. ST 41 steel material is a low carbon steel with a carbon content of 0.08% -0.20%. ST 41 steel is commonly used as industrial machine component, but in this ST 41 steel is not as strong as steel SKD 61. So, to improve quality to ST 41 steel. Quality improvement can be done by heat treatment process. To obtain hardness requires the heating process , holding time, cooling medium, precise hardening temperature and see the material comparison between SKD 61 steel and ST 41 steel before and after the hardening process to the nature of hardness and microstructure. Result of hardness test of SKD 61 nonheattreatment steel material has hardness value equal to 197 HV, ST 41 nonheatreatment steel material has hardness value equal to 165 HV, after hardening for temperature 900 ⁰ C has hardness value 154 HV, temperature 950 ⁰ C has hardness value 152 HV, temperature 1000 ⁰ C has 161 HV magnification value. Seen in the metallographic results appear to be a change in microstructure on ST 41 steel which after the hardening structure looks more dominant after the hardening structure turned into bainite-ferrit

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Bina Teknika

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