Co-Ti (Cobalt-Titanium)

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Co-Ti (Cobalt-Titanium) H. Okamoto

Many researchers investigated the relationship between the (␣Co) and (␧Co) phases in the Co-Ti system by means of heating-cooling curves, metallography, and electron-probe microanalysis. Experimental data were widely scattered, as reviewed by [1999Zao], presumably due to very sluggish transitions at low temperatures. Figure 1 shows the phase

relationship assessed by [1999Zao]. [Massalski2] did not show the Co-Ti phase diagram below 600 ⬚C. References 1999Zao: J.C. Zao: Z. Metallkd., 1999, vol. 90 (3), pp. 223-32.

Fig. 1 Co-Ti phase diagram

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Journal of Phase Equilibria Vol. 22 No. 5 2001