Conclusions
The sintering process of compacts from dispersed titanium powders (as well as from metal powders with easily reducible oxides) is accomplished in two stages — a nonsteady stage with a high densification rate and a steady stage, whose rate is determined by volume diffusion. The low values of energy of activation for densification in the first stage of sintering may be linked with the dissolution of oxides in the outer layers of powder particles, which increases their surface defectiveness, or with the propagation of flow by the mechanism of activated slip of dislocations.
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Translated from Poroshkovaya Metallurgiya, No. 2 (86), pp. 27–31, February, 1970.
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Arensburger, D.S. Sinterability of titanium powder. Powder Metall Met Ceram 9, 113–116 (1970). https://doi.org/10.1007/BF00802143
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DOI: https://doi.org/10.1007/BF00802143