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Article: Evolution of surface roughness of some metallic materials in cavitation erosion

TitleEvolution of surface roughness of some metallic materials in cavitation erosion
Authors
Issue Date2005
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/ultrason
Citation
Ultrasonics, 2005, v. 43 n. 9, p. 713-716 How to Cite?
AbstractThe evolution of surface roughness of three common metallic materials (316L stainless steel, CP titanium, and brass) in ultrasonic vibratory cavitation tests was monitored using profilometric measurements. Three stages of roughness change, based on the rate of change of the mean surface roughness d(R a)/dt, may be identified. In stage I (initial stage), Ra increases almost linearly with the test time; in stage II (transition stage), the rate decreases until stage III (steady-state stage) is reached, in which Ra remains unchanged. Concurrent measurements of mass loss in the ultrasonic cavitation test indicated that stage I approximately coincides with the incubation stage, stage II approximately coincides with the acceleration stage, and stage III approximately coincides with the maximum erosion rate stage as defined by ASTM Standard G 32. Compared with conventional mass loss measurements in assessing material degradation in cavitation erosion, surface roughness measurements provide an alternative and convenient method which possesses several advantages. In the first place, change in surface roughness provides information of material response before mass loss is detected. Secondly, there is no restriction of the size of the component, while weighing is suitable for small samples only. Thirdly, mass loss reflects erosion of the whole surface under cavitation attack, and the mean depth of penetration or erosion only gives an average loss, while in roughness measurement, damage in specific locations may be studied. The present study indicates that roughness measurement may constitute a practical method for monitoring damage in industrial ultrasonic cleaners. © 2005 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/170070
ISSN
2015 Impact Factor: 1.954
2015 SCImago Journal Rankings: 0.777
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChiu, KYen_US
dc.contributor.authorCheng, FTen_US
dc.contributor.authorMan, HCen_US
dc.date.accessioned2012-10-30T06:05:08Z-
dc.date.available2012-10-30T06:05:08Z-
dc.date.issued2005en_US
dc.identifier.citationUltrasonics, 2005, v. 43 n. 9, p. 713-716en_US
dc.identifier.issn0041-624Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/170070-
dc.description.abstractThe evolution of surface roughness of three common metallic materials (316L stainless steel, CP titanium, and brass) in ultrasonic vibratory cavitation tests was monitored using profilometric measurements. Three stages of roughness change, based on the rate of change of the mean surface roughness d(R a)/dt, may be identified. In stage I (initial stage), Ra increases almost linearly with the test time; in stage II (transition stage), the rate decreases until stage III (steady-state stage) is reached, in which Ra remains unchanged. Concurrent measurements of mass loss in the ultrasonic cavitation test indicated that stage I approximately coincides with the incubation stage, stage II approximately coincides with the acceleration stage, and stage III approximately coincides with the maximum erosion rate stage as defined by ASTM Standard G 32. Compared with conventional mass loss measurements in assessing material degradation in cavitation erosion, surface roughness measurements provide an alternative and convenient method which possesses several advantages. In the first place, change in surface roughness provides information of material response before mass loss is detected. Secondly, there is no restriction of the size of the component, while weighing is suitable for small samples only. Thirdly, mass loss reflects erosion of the whole surface under cavitation attack, and the mean depth of penetration or erosion only gives an average loss, while in roughness measurement, damage in specific locations may be studied. The present study indicates that roughness measurement may constitute a practical method for monitoring damage in industrial ultrasonic cleaners. © 2005 Elsevier B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/ultrasonen_US
dc.relation.ispartofUltrasonicsen_US
dc.subject.meshChemistry, Physicalen_US
dc.subject.meshMetalsen_US
dc.subject.meshPhysicochemical Phenomenaen_US
dc.subject.meshSurface Propertiesen_US
dc.subject.meshUltrasonicsen_US
dc.titleEvolution of surface roughness of some metallic materials in cavitation erosionen_US
dc.typeArticleen_US
dc.identifier.emailChiu, KY:pkychiu@hkucc.hku.hken_US
dc.identifier.authorityChiu, KY=rp00379en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ultras.2005.03.009en_US
dc.identifier.pmid16126092en_US
dc.identifier.scopuseid_2-s2.0-24144454134en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-24144454134&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume43en_US
dc.identifier.issue9en_US
dc.identifier.spage713en_US
dc.identifier.epage716en_US
dc.identifier.isiWOS:000232286800001-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridChiu, KY=7202988127en_US
dc.identifier.scopusauthoridCheng, FT=7202811219en_US
dc.identifier.scopusauthoridMan, HC=7102326766en_US

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