Method of manufacturing preform for compounding use
AssigneeMazda Motor Corporation
InventorMakoto Fujita
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Abstract
A method of manufacturing a preform for compounding use which, is to be impregnated with a molten metal to be compounded with a matrix material, is provided. The method includes the step of mixing short fibers, ceramic particles and a binder material together to make a mixture. The average of lengths of the short fibers is 100 to 200 μm while the volumetric percentage of the short fibers is 1 to 7 %. The content of the binder material in the mixture is 0.3 to 5.0 mass %. The method includes also the steps of forming the mixture so as to have a predetermined shape, and sintering the mixture at a temperature of 1000 to 1150° C. to form the preform. Thus, it is restrained that the preform is deformed or an un-reinforced region is formed in the compounded portion.
Claims8
A method of manufacturing a preform for compounding use which is to be impregnated with a molten metal to be compounded with a matrix material, said method comprising the steps of:
- mixing short fibers, ceramic particles and a binder material together to make a mixture, an average of lengths of said short fibers being 100 to 200 μm, a volumetric percentage of said short fibers being 1 to 7 %, and a content of said binder material in said mixture being 0.3 to 5.0 mass %;
- forming said mixture so as to have a predetermined shape;
- and
- sintering said mixture at a temperature of 1000 to 1150° C. to form said preform.
Dependencies are inferred from the claim text.