Porous NiTi alloy prepared from elemental powder sintering
Li, BY; Rong, LJ; Li, YY
Corresponding AuthorLi, BY()
AbstractAn elemental powder sintering (EPS) technique has been developed for the synthesis of porous NiTi alloy, in which Ni and Ti powders are used as the reactants and TiH2 powder is added as a pore-forming agent and active agent. Effects of various experimental parameters (sintering temperature, sintering time, and TiH2 content) on the porosity, pore size, and pore distribution as well as phase composition in experimental alloys are investigated. It is found that in order to avoid the formation of carcinogenic pure Ni phase, the porous NiTi alloy should be synthesized over a temperature of 1223 K. This gives NiTi as the main phase without any elemental phase. Substitution of Ti by TiH2 is more economic and more favorable to obtain homogeneous porous NiTi alloy. A proper selection of initial powders, ball-milling, pressing, and sintering process makes it possible to achieve the porous NiTi alloy with desired properties.
Indexed BySCI
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000076362100019
Citation statistics
Cited Times:91[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, BY
AffiliationChinese Acad Sci, Met Res Inst, Atom Imaging Solids Lab, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Li, BY,Rong, LJ,Li, YY. Porous NiTi alloy prepared from elemental powder sintering[J]. JOURNAL OF MATERIALS RESEARCH,1998,13(10):2847-2851.
APA Li, BY,Rong, LJ,&Li, YY.(1998).Porous NiTi alloy prepared from elemental powder sintering.JOURNAL OF MATERIALS RESEARCH,13(10),2847-2851.
MLA Li, BY,et al."Porous NiTi alloy prepared from elemental powder sintering".JOURNAL OF MATERIALS RESEARCH 13.10(1998):2847-2851.
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