DETERMINATION OF THIN FILM'S MECHANICAL PROPERTIES
DETERMINATION OF THIN FILM'S MECHANICAL PROPERTIES
DETERMINATION OF THIN FILM'S MECHANICAL PROPERTIES
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7<br />
makers to substitute easier-to-machine steels for the base metal and to steel obtain<br />
wear resistance and ant galling properties superior to those of the original material<br />
(D.J. Bak, 1981). Figure 2.2 shows the effect of boriding on abrasive wear resistance<br />
of borided C45 steel, titanium and tantalum as a function of number of revolutions<br />
(or stressing period) based on wear test. Figure 2.3 shows the influence of steel<br />
composition on abrasive wear resistance.<br />
Figure 2.2 Effect of boriding on the wear resistance. a) 0.45 % C (C45) steel borided 900 o C.<br />
b)Titanium borided at 1000 o C for 24h c) Tantalum borided at 1000 o C for 8h (Asm Handbook<br />
vol. 4, 2000)<br />
Figure 2.3 Effect of steel composition on wear resistance under<br />
abrasive wear. Test conditions: DP-U grinding tester, SiC paper<br />
220, testing time 6 min. (Asm handbook, vol.4, 2000).
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