複合溶鍛品
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概要
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Special composite squeeze castings are manufactured by means of a quite new process of combination of steelmaking technology with powder metallugical technology and this new process is different from the conventional method for composite materials. Both compressed deformation and sintering are simultaneously done in this new process.As this new product has perfect bondage between base metal and hardened layer, it has as much wear resistance as cemented carbides, which is ten times as much as die steel.Since this new product is superior to cemented carbides in toughness, and it has adhesion strength which is more than 80% of the base metal, tearing off never occurs.The above-mentioned characteristics are applied for practice in press dies, sheering cutters and guides of rolling mills, and much fruits has been born in its availability.
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