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Current Status of Investment Casting Technology

Edit:Xiangyang Liqiang Machinery Co., Ltd.UpDate:2019-08-28

For more than 50 years, investment casting has made great progress in all aspects of mold making, shell making, melting and pouring, and post-processing. There are many new materials, new processes, and new equipment that have a greater impact on the development of investment casting: such as water-soluble cores, ceramic cores, metal material improvements, large investment casting technology, titanium alloy precision casting technology, and rapid prototyping technology; The application of computers in investment casting, mechanization and automation, etc.

1. Heat-resistant alloy

With the development of aircraft engines, the requirements for heat resistance and high temperature creep resistance of blades and other parts are becoming higher and higher. For example, turbine blades developed from IN-100 and B1900 in the 1960s to MM247 and MM200 in the 1970s, and PWA1480 in the 1980s. In order to meet the different requirements of different parts, a complete series of cobalt-based superalloy materials has been formed. Such as U-710, MA6000, MGA2400 and other brands of heat-resistant alloy materials.

In recent years, industrial gas engines, especially gas turbines for large power stations, have continued to improve.

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