| 1 | ON THE BURN RESISTANCE OF Ti-35V-15Cr-0.05C TITANIUM ALLOY显示文摘The Ti-35V-15Cr-0.05C (wt% is a new nonburning titanium alloy. The test for alloy combustibility was carried out by using CO2 laser. A 430 watt and 6mm diameter laser spot impinges directly on the sample within normal atmospheric pressure and temperature. The results show that the ignition time of the nonburning titanium alloy is the longest in the eight examined titanium alloys, and is 3.5 times that of TC4 alloy. The ignition tempeerature of the nonburning alloy is 2991° C, and is higher than that of TC4 alloy by 1976°C. On the condition of high tempeerature and rich oxygen,the surface of alloy forms a melting layer which plays roles of oxygen insulation, heat insulation and burning products insulation. This is the mechanism of combustion resistance. | G.P.Li D.Li Y.Y.Liu Q.J.Wang S.X.Guan Q.C.Li | 1998 | Acta Metallurgica Sinica(English Letters)1998，11，3： | 2 |
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