In the last few years a number of new metal forming techniques have been developed. Some of these which have a potential for becoming important production processes for gas turbine components are reviewed. For each method, the basic principle is first explained, then its present status is reviewed, and some areas in which additional development work is required are pointed out. Finally, the gas turbine components for which the method may be used are indicated. Processes considered include isothermal forging, contoured cross rolling, squeeze casting, radial forging, form rolling, and forging of powder metallurgy preforms.

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