| 钢锭模在热循环状态下的失效形式分析 |
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| 引用本文： | 李戬,雷富军,左剑锋,刘勇.钢锭模在热循环状态下的失效形式分析[J].青海大学学报,2006,24(6):48-51. |
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| 作者姓名： | 李戬 雷富军 左剑锋 刘勇 |
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| 作者单位： | [1]青海大学机械系,青海西宁810016 [2]西宁特殊钢集团有限公司,青海西宁810005 |
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| 摘 要： | 从钢锭模使用过程中的温度场、热应力、裂纹敏感系数的变化过程以及石墨氧化、高温下铸铁生长等角度对灰铸铁钢锭模在热循环条件下的失效原因进行了探讨。
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| 关 键 词： | 钢锭模 裂纹 失效 热应力 |
| 文章编号： | 1006-8996（2006）06-0048-04 |
| 收稿时间： | 2006-04-14 |
| 修稿时间： | 2006-04-14 |
Failure modes analysis of ingot mould under the thermal cycling phase condition |
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| LI Jian,LEI Fu-jun,ZUO Jian-feng,LIU Yong.Failure modes analysis of ingot mould under the thermal cycling phase condition[J].Journal of Qinghai University(Natural Science),2006,24(6):48-51. |
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| Authors: | LI Jian LEI Fu-jun ZUO Jian-feng LIU Yong |
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| Institution: | 1. Department of Mechanical Engineering, Qinghai University, Xining 810016, China; 2. Xining Special Steel Group Limited Company, Xining 810005, China |
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| Abstract: | This paper discusses the reason of failure in gray east iron ingot mould under thermal cycling condition from temperature field, thermal stresses, the change process of coefficient of crack sensitivity, graphite oxidization and growth of east iron in high temperature in the process of using ingot mould. |
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| Keywords: | ingot mould crack fail thermal stresses |
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