陶瓷复合方钢管的制备及有限元分析  

Preparation of Ceramic Composite Rectangular Pipes and Its Finite Element Analysis

作　　者：焦安源[1] 王凤辉[2] 杨似琼[3] 高兴岐[2] 

机构地区：[1]辽宁科技大学高等职业技术学院,辽宁鞍山114051 [2]辽宁科技大学机械工程与自动化学院,辽宁鞍山114051 [3]北方自动控制技术研究所,山西太原030006

出　　处：《材料保护》2010年第5期6-8,26,共4页Materials Protection

基　　金：国家自然基金(50805020);辽宁省高校重点实验室基金(2008S128)

摘　　要：目前,在方钢管内制备陶瓷层的技术还不成熟。采用重力分离法(SHS),在大截面方钢管内使用型钢作管芯,制备了表面光滑、厚度为1.5～3.0mm,硬度为1100HV以上的氧化铝内衬陶瓷层;采用ANSYS软件对陶瓷内衬方管的传热过程进行了模拟计算,并分析了结合力产生的原因。结果显示:钢基体与陶瓷层为箍紧式机械结合;衬层厚度不同,方钢管的温度-时间曲线和残余应力分布不同。陶瓷复合方钢管制备中的冷却温度变化状况可为工艺参数的选择提供参考。Smooth alumina composite inner lining coating with a thickness of 1.5～3.0 mm and hardness of over 1 100 HV was prepared on rectangular steel pipes with large cross-section by using self-propagation high-temperature synthesis (SHS). The heat-transfer process of the ceramic-lined rectangular steel pipes was simulated by using ANSYS software,and the adhesion between the ceramic coating and inner wall of the steel pipes was analyzed. Results show that the ceramic coating adheres to the steel substrate mainly by way of mechanical bonding. The rectangular steel pipes coated with alumina composite inner lining coatings of different thicknesses had different temperature-time curves and different distributions of residual stress.

关 键 词：陶瓷层 方钢管 重力分离法(SHS) 有限元分析 

分 类 号：TU398.9[建筑科学—结构工程]