Cavitation erosion of metals and alloys

Feller, H.G.; Kharrazi, Y. H. K.

doi:10.1016/0043-1648(84)90199-6

Cited by 81 publications

(21 citation statements)

References 10 publications

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“…In particular, a crack is easily initiated at the interface between a hard precipitate and the matrix phase, which is the most week. 20 The increase in the amount of damage for Al alloy is considered to be associated with its low hardness because of which the collapse of cavities produces surface damage easily, and further inflow of cavities into the damaged part accelerates the damage.…”

Section: Methodsmentioning

confidence: 99%

Determination of Sulfuric Acid Concentration for Anti-Cavitation Characteristics of Al Alloy by Two Step Anodizing Process to Forming Nano Porous

Lee¹,

Kim²,

Jeong³

et al. 2014

j nanosci nanotechnol

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Al alloy is a highly active metal but forms a protective oxide film having high corrosion resistance in atmosphere environment. However, the oxide film is not suitable for practical use, since the thickness of the film is not uniform and it is severly altered with formation conditions. This study focused on developing an aluminum anodizing layer having hardness, corrosion resistance and abrasion resistance equivalent to a commercial grade protective layer. Aluminum anodizing layer was produced by two-step aluminum anodizing oxide (AAO) process with different sulfuric acid concentrations, and the cavitation characteristics of the anodized coating layer was investigated. In hardness measurement, the anodized coating layer produced with 15 vol.% of sulfuric acid condition had the highest value of hardness but exhibited poor cavitation resistance due to being more brittle than those with other conditions. The 10 vol.% of sulfuric acid condition was thus considered to be the optimum condition as it had the lowest weight loss and damage depth.

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Section: Methodsmentioning

confidence: 99%

Determination of Sulfuric Acid Concentration for Anti-Cavitation Characteristics of Al Alloy by Two Step Anodizing Process to Forming Nano Porous

Lee¹,

Kim²,

Jeong³

et al. 2014

j nanosci nanotechnol

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show abstract

“…However, it has a low level of hardness and poor hardening ability. The intense alternating stress introduced by the high-speed shock wave and microjet during cavitation resulted in the fatigue fracture of the metal phase [28,29]. Fig.…”

Section: Cavitation Performancementioning

confidence: 98%

Preparation and its cavitation performance of nickel foam/epoxy/SiC co-continuous composites

Liu

Duan

Jiang

et al. 2015

Wear

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“…However, it could be expected that an increase in hardness or tensile strength achieved as a result of laser processing may not lead to decrease in cavitation erosion rate of steel in the late stage of the destruction, because of inevitable increase in brittleness and/or decrease in strain hardening capability [10]. On the other hand, generation of metastable alloy structures transformed under the cavitation loading as well as dissolution of precipitation or second-phase particles due to laser processing improve the erosion resistance of steels [11,12]. The developing of some amount of fcc structure within the surface layers of tested alloys can contribute to an increase in cavitation resistance [13].…”

Section: Introductionmentioning

confidence: 98%