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(4)超合金园环和锭坯 美国HOWET公司正在用喷射成形试验设备来制造最大直径800mm,长度500mm的超合金园环。新一代高推力发动机的开发,对园环和壳体的要求越来越高。为了适应这些要求,希望使用高合金高强度材料。而这些材料即使花费很大价钱也很难加工。HOWMET SPRAYCAST X~(TM)工艺是一种成本低的高强度镍基超合金园环和壳体物件的制造工艺。通过对尤迪梅特720合金(镍基超合金)的研究,得出以下的结论:1)SPRAYCAST X~(TM)工艺被证明是适宜于制造高强度材料园环预制品(半成品)的一种工艺。2)利用环状压延和HIP(热等静压)可以很好地加工环状预制品。3)沿着部件整
(4) superalloy Garden ring and billet US HOWET company is using spray forming test equipment to create the largest diameter 800mm, length 500mm super alloy ring. The development of a new generation of high-thrust engines has raised the demand for circular rings and housings. In order to meet these requirements, I hope to use high-alloy high-strength materials. These materials are difficult to machine even when they cost a lot of money. The HOWMET SPRAYCAST X ~ (TM) process is a cost-effective manufacturing process for high-strength nickel-based superalloy garden rings and shell objects. The following conclusions are drawn from the study of Udimet 720 alloy (Ni-based superalloy): 1) The SPRAYCAST X-TM process has proven to be suitable for making preforms (semi-finished products) of high strength materials Kind of craft 2) The ring preform can be processed well by ring rolling and HIP (hot isostatic pressing). 3) along the whole part