科研之友
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摘要
Mechanical properties are the primary concern in the development and application of powder metallurgy (PM) titanium and its alloys. Their mechanical properties are reviewed by comparing PM with ingot metallurgy (IM) and by examining the dependence of the mechanical properties on the microstructures that are unique to PM titanium. The effects of the most critical factors (porosity, oxygen content, and microstructure) on mechanical properties are discussed. Throughout this review, PM Ti refers generically to PM titanium and titanium alloys. IM Ti embraces ingot metallurgy titanium and titanium alloys. Static and dynamic properties are examined to illustrate the challenges as well as the opportunities for PM Ti. Selected recent PM Ti technologies and attendant mechanical properties are also assessed.
- 出版日期2010-10
