喷射铸造复合轧辊温度场的数值模拟  

Numerical Simulation of Temperature Distributions in Spray-Casting Clad Roll

作　　者：汪煜[1] 崔成松[2] 李庆春[2] 张国庆[1] 汪武祥[1] 

机构地区：[1]北京航空材料研究院,北京100095 [2]哈尔滨工业大学材料科学与工程学院,哈尔滨150001

出　　处：《航空材料学报》2006年第3期88-92,共5页Journal of Aeronautical Materials

摘　　要：喷射铸造是一种先进的可用于制造高性能复合轧辊的技术,但复合轧辊界面冶金结合困难是这种新型工艺所面临的关键问题。通过计算机数值模拟研究喷射铸造过程中复合轧辊内部温度场及各种喷射工艺参数对温度场的影响。结果表明,辊芯预热温度、辊芯平移速度和喷射速率对温度场的影响较大。Spray casting is an advanced manufacturing technology used to produce high performance clad rolls.However,the key problem of this new process is the difficulty of the interface bonding.The temperature distributions in the clad roll and its influencing factors were investigated through numerical simulation.The results show that the preheating temperature,the traveling speed and the spraying rate influence the temperature fields greatly.

关 键 词：喷射铸造 复合轧辊 数值模拟 

分 类 号：TG249.9[金属学及工艺—铸造]