Journal
RARE METALS
Volume 28, Issue 3, Pages 261-265Publisher
NONFERROUS METALS SOC CHINA
DOI: 10.1007/s12598-009-0052-0
Keywords
powder injection molding; titanium; debinding; sintering; mechanical properties
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An improved wax-based binder was developed for powder injection molding of pure titanium. A critical powder loading of 69 vol.% and a pseudo-plastic flow behavior were obtained by the feedstock based on the binder. The injection molding, debinding, and sintering process were studied. An ideal control of carbon and oxygen contents was achieved by thermal debinding in vacuum atmosphere (10(-3) Pa). The mechanical properties of as-sintered specimens were less than those of titanium made by the conventional press-sintering process. Good shape retention and +/- 0.04 mm dimension deviation were achieved.
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