寻懋年,齐治畔,刘鹏,宋青松,张晋源,施爱娟,韩培德

• 1:太原理工大学材料科学与工程学院
• 2:山西通才工贸有限公司
• 3:烟台汽车工程职业学院车辆运用工程系

摘要(Abstract)：

以超高强锚杆钢为研究对象，利用Gleeble-3800型热模拟试验机研究了冷却速度、连续冷却条件对其膨胀曲线的影响，并结合金相-硬度法绘制出该钢的连续转变冷却曲线(CCT曲线)。结果表明：试验钢的临界相变点A_(c1)和A_(c3)分别为732和883℃;在冷却速度为0.5～25℃/s的范围内，随着冷却速度的提高，试验钢在连续冷却转变下的组织产物首先是铁素体，而后依次为珠光体和贝氏体，铁素体所占比例不断减少，珠光体的含量不断增加，并有少量贝氏体形成，硬度逐步增加。

关键词(KeyWords)： 锚杆钢;CCT曲线;硬度;相变点;热膨胀法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51871159)

作者(Author): 寻懋年,齐治畔,刘鹏,宋青松,张晋源,施爱娟,韩培德

DOI: 10.13289/j.issn.1009-6264.2021-0446

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