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Why MIM Metal Injection Molding is Widely Used (2)?

Categories: FAQStars: 3StarsVisit: -Release time: 2016-11-02 22:25:00
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   In loose state, powder particles are discrete. Powder body can flow under the action of slight external force, don't keep a fixed shape. But the mechanical properties of powder body have essential difference with ordinary fluid. According to PASCAL's law, for example, pressure on loaded static fluid is uniform in each direction, while the powder body do not meet the law completely. As for flow law and volume change law of powder body, they are very different from common fluid. As pressing process going, powder body density increasing, particles and particles  link and adsorb mutually, thus gradually showing the mechanical properties of dense metal. As a result, the plastic flow mechanics properties of powder material are not only different from fluid, and different from dense metal.

Keywords in the article: MIM metal injection molding
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