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Study on Spheroidization and Related Heat Treatments of Medium Carbon Alloy Steels

机译：中碳合金钢球化及相关热处理研究

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The importance of medium carbon steels as engineering materials is reflected by the fact that out of the vast majority of engineering grade ferrous alloys available and used in the market today, a large proportion of them are from the family of medium carbon steels. Typically medium carbon steels have a carbon range of 0.25 to 0.65% by weight, and a manganese content ranging from 0.060 to 1.65% by weight. Medium carbon steels are more resistive to cutting, welding and forming as compared to low carbon steels. From the last two decades a number of research scholars reported the use of verity of heat treatments to tailor the properties of medium carbon steels. Spheroidizing is the novel industrial heat treatment employed to improve formability and machinability of medium/high carbon low alloy steels. This exclusive study covers procedure, the effects and possible outcomes of various heat treatments on medium carbon steels. In the present work, other related heat treatments like annealing and special treatments for property alterations which serve as pretreatments for spheroidizing are also reviewed. Medium carbon steels with property alterations by various heat treatment processes are finding increased responsiveness in transportation, aerospace, space, underwater along with other variegated fields. Improved tribological and mechanical properties consisting of impact resistance, stiffness, abrasion and strength are the main reasons for the increased attention of these steels in various industries. In the present scenario for the consolidation of important aspects of various heat treatments and effects on mechanical properties of medium carbons steel, a review of different research papers has been attempted. This review may be used as a guide to provide practical data for heat treatment industry, especially as a tool to enhance workability and tool life.
机译：中型碳钢作为工程材料的重要性反映在当今市场上的绝大多数工程级黑色合金中，大部分来自中等碳钢家族。通常，中碳钢的碳范围为0.25至0.65重量％，锰含量为0.060至1.65重量％。与低碳钢相比，中等碳钢与切割，焊接和形成更电阻。从过去二十年来，许多研究学者报告使用热处理的真实来定制中型碳钢的性质。球化是采用新型工业热处理，以提高中/高碳低合金钢的可成型性和可加工性。这种独家学习涵盖了中碳钢中各种热处理的程序，效果和可能结果。在本作的工作中，还综述了其他相关的热处理，如退火和用于性能改变的特殊处理，其用作球体化的预处理。中等碳钢具有各种热处理过程的性质改变，在运输，航空航天，空间，水下以及其他杂田中寻找增加的响应性。改善了由抗冲击性，僵硬，磨损和强度组成的摩擦学和机械性能是这些钢在各个行业上增加的主要原因。在本场景中，用于整合各种热处理的重要方面和对中碳钢的机械性能的影响，已经尝试了对不同研究论文的综述。本综述可用作提供热处理行业实用数据的指南，特别是作为提高可加工性和工具寿命的工具。

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