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Monolithic precursor test coupons for testing material properties of metal-injection-molded components and methods and apparatuses for making such coupons
Monolithic precursor test coupons for testing material properties of metal-injection-molded components and methods and apparatuses for making such coupons
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机译:用于测试金属注塑部件的材料特性的单片前体测试试样以及用于制作此类优惠券的方法和装置
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摘要
A method of making a test coupon using a mold is provided. The mold defines a mold cavity that comprises a first-grip-portion cavity, a second-grip-portion cavity, an intermediate-portion cavity, interconnecting the first-grip-portion cavity and the second-grip-portion cavity, and runner cavities, directly interconnecting the first-grip-portion cavity and the second-grip-portion cavity and not directly connected to the intermediate-portion cavity. The method comprises injecting feedstock material, comprising a metal powder, into the mold cavity to form a monolithic precursor test coupon in the mold cavity, wherein the monolithic precursor test coupon comprises a first grip portion, a second grip portion, an intermediate portion, and runners. The method also comprises removing the runners from the monolithic precursor test coupon.
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