Interrelation between the cavitation resistance and microhardness of metals |
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| Authors: | V H Marynin |
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| Affiliation: | (1) Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA;(2) Materials Science Program, University of Wisconsin-Madison, Madison, WI 53706, USA;(3) GS Engineering, Inc (GSE), Houghton, MI 49931, USA;(4) CANMET Materials Technology Laboratory, Ottawa, ON, K1A 0G1, Canada;(5) Department of Engineering Physics, University of Wisconsin-Madison, Madison, WI 53706, USA;(6) Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA; |
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| Abstract: | Under the action of cavitation induced by an ultrasonic vibrator in tap water, we determine experimentally the level of fracture
of transition metals that belong to Groups IV—VI of the periodic table. It is shown that the cavitation resistance of the
metals is determined by the microhardness with an error of ±10%. For the preliminary assessment of the cavitation resistance,
we can use the relation Z
h
= 2.42 ∙ 10-2
H
μ3, where the microhardness is determined in GPa. |
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