Creating Aligned, Elongated Pores in Titanium Foams by Swaging of Preforms with Ductile Space‐Holder | Zendy

Chino Yasumasa | Zendy; Dunand David C. | Zendy

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Creating Aligned, Elongated Pores in Titanium Foams by Swaging of Preforms with Ductile Space‐Holder

Author(s) -

Chino Yasumasa,

Dunand David C.

Publication year - 2009

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.200800232

Subject(s) - swaging , materials science , equiaxed crystals , titanium , porosity , sintering , composite material , metallurgy , titanium powder , phase (matter) , microstructure , chemistry , organic chemistry

Preforms of titanium powders containing a naphthalene‐based space‐holder phase are swaged. The elongated space‐holder particles are sublimated and the preform is sintered, resulting in titanium foams with 49–65% porosity consisting of: a) small equiaxed pores from incomplete powder sintering and b) larger, elongated pores replicating the space‐holder, which are aligned along the swaging direction. The foam carbon content (0.39 wt%) is below the value for severe titanium embrittlement.

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