Evaluation of Cavitation Erosion Behavior of Laser Surface Melted Experimental Nickel Aluminum Bronze.
1997
KarisAllen, K.J. | Taweel, C. A.
A series of laser surface melted experimental nickel aluminum bronze coupons have been evaluated for cavitation erosion resistance. Duplicate specimens of twenty five differing alloy compositions have been tested in accordance with ASTM G-32. For the materials tested, test results indicate that alloy chemistries with more than 10.7 wt percent Al produce the best resistance to cavitation erosion. The cavitation resistance of alloys with less than 10.7 percent Al can be improved through the addition of Cr. The analysis also indicates that the linear extrapolation method recommended in ASTM G-32 may produce non conservative incubation times for laser surface melted specimens with above average erosion performance.
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