| 耐火材料高温弯曲应力-应变关系测试方法及影响因素 |
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| 引用本文： | 徐恩霞,黄少平,钟香崇.耐火材料高温弯曲应力-应变关系测试方法及影响因素[J].耐火材料,2006,40(5):382-385. |
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| 作者姓名： | 徐恩霞 黄少平 钟香崇 |
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| 作者单位： | 1. 郑州大学高温功能材料河南省重点实验室,郑州,450052
2. 洛阳高新技术产业开发区精达科技工业有限公司 |
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| 摘 要： | 介绍了耐火材料弯曲应力-应变测试仪的基本构成以及对试验炉、加荷装置、变形量测量装置和计算机控制系统等各构件的要求;重点介绍了使用该仪器研究耐火材料应力-应变关系的方法以及影响测试结果的相关的因素。该方法可以用来研究耐火材料在高温下承受弯曲应力时的变形问题,确定耐火材料在各温度下的应力-应变关系,测试和判断耐火材料的弹性、塑性和粘滞流动的温度范围,并根据应力-应变关系计算耐火材料在不同温度下的弹性模量。
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| 关 键 词： | 耐火材料 高温力学性能 应力-应变关系 弹性模量 测试方法 |
| 修稿时间： | 2006年4月24日 |
Testing method and influence factor for hot bending stress-strain relationship of refractories |
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| Xu Enxia,Huang Shaoping,Zhong Xiangchong.Testing method and influence factor for hot bending stress-strain relationship of refractories[J].Refractories,2006,40(5):382-385. |
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| Authors: | Xu Enxia Huang Shaoping Zhong Xiangchong |
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| Abstract: | Major components of a stree-strain testing apparatus for refractories,including its furnace,loading device ,deformation testing device,and control system are introduced.The stress-strain testing method and influence factors are especially focused on.This method is used to test and determine the deformation of the refractories under bending stress at high temperatures,the stress-strain relationship at various temperatures,the temperature range of the elasticity,plasticity and viscous flow.According to the stress-strain relationship,the modulus of elasticity at different temperatures can be figured out. |
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| Keywords: | Refractories High temperature mechanical properties Stress-strain relationship Modulus of elasticity Testing method |
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