Detection of the onset of fatigue crack growth in rail steels using acoustic emission
Acoustic emission has held promise for quantitative evaluation of the extent of crack growth in metallic materials during fracture and fatigue. A correlation between acoustic emission and the stress intensity factor was derived which allows prediction of the stress intensity factor ( K or ΔK) from a...
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| Veröffentlicht in: | Engineering fracture mechanics 1994, Vol.47 (2), p.207-214 |
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| creator | Bassim, M.N. Lawrence, S.St Liu, C.D. |
| description | Acoustic emission has held promise for quantitative evaluation of the extent of crack growth in metallic materials during fracture and fatigue. A correlation between acoustic emission and the stress intensity factor was derived which allows prediction of the stress intensity factor (
K or
ΔK) from acoustic emission measurements. At very low values of
ΔK, corresponding to the onset of fatigue crack growth, it was expected that acoustic emission would detect this event. The experimental procedure to verify this assumption involved high cycle fatigue of four-point bending specimens of a number of rail steels. The fatigue testing was stopped whenever the first indication of acoustic emission activity, manifested by a measurable
ΔK, occurred. This was followed by optical and scanning electron microscopy to detect the sources of cracking in the steels. The results show that, in the rail steels, cracks grow near inclusions. Crack lengths as small as 0.009 mm were detected and the success rate in the detection of the onset of crack growth was 100%. |
| doi_str_mv | 10.1016/0013-7944(94)90221-6 |
| format | Article |
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K or
ΔK) from acoustic emission measurements. At very low values of
ΔK, corresponding to the onset of fatigue crack growth, it was expected that acoustic emission would detect this event. The experimental procedure to verify this assumption involved high cycle fatigue of four-point bending specimens of a number of rail steels. The fatigue testing was stopped whenever the first indication of acoustic emission activity, manifested by a measurable
ΔK, occurred. This was followed by optical and scanning electron microscopy to detect the sources of cracking in the steels. The results show that, in the rail steels, cracks grow near inclusions. Crack lengths as small as 0.009 mm were detected and the success rate in the detection of the onset of crack growth was 100%.</description><identifier>ISSN: 0013-7944</identifier><identifier>EISSN: 1873-7315</identifier><identifier>DOI: 10.1016/0013-7944(94)90221-6</identifier><identifier>CODEN: EFMEAH</identifier><language>eng</language><publisher>Tarrytown, NY: Elsevier Ltd</publisher><subject>Acoustical measurements and instrumentation ; Acoustics ; Applied sciences ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Ground, air and sea transportation, marine construction ; Physics ; Railway transportation and traffic</subject><ispartof>Engineering fracture mechanics, 1994, Vol.47 (2), p.207-214</ispartof><rights>1994</rights><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c492t-b464af7a04a0716eadf28a33453688dc11e1e6cb7a110faa77bc5ec8770318733</citedby><cites>FETCH-LOGICAL-c492t-b464af7a04a0716eadf28a33453688dc11e1e6cb7a110faa77bc5ec8770318733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0013-7944(94)90221-6$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,4022,27922,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3914850$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Bassim, M.N.</creatorcontrib><creatorcontrib>Lawrence, S.St</creatorcontrib><creatorcontrib>Liu, C.D.</creatorcontrib><title>Detection of the onset of fatigue crack growth in rail steels using acoustic emission</title><title>Engineering fracture mechanics</title><description>Acoustic emission has held promise for quantitative evaluation of the extent of crack growth in metallic materials during fracture and fatigue. A correlation between acoustic emission and the stress intensity factor was derived which allows prediction of the stress intensity factor (
K or
ΔK) from acoustic emission measurements. At very low values of
ΔK, corresponding to the onset of fatigue crack growth, it was expected that acoustic emission would detect this event. The experimental procedure to verify this assumption involved high cycle fatigue of four-point bending specimens of a number of rail steels. The fatigue testing was stopped whenever the first indication of acoustic emission activity, manifested by a measurable
ΔK, occurred. This was followed by optical and scanning electron microscopy to detect the sources of cracking in the steels. The results show that, in the rail steels, cracks grow near inclusions. Crack lengths as small as 0.009 mm were detected and the success rate in the detection of the onset of crack growth was 100%.</description><subject>Acoustical measurements and instrumentation</subject><subject>Acoustics</subject><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Ground, air and sea transportation, marine construction</subject><subject>Physics</subject><subject>Railway transportation and traffic</subject><issn>0013-7944</issn><issn>1873-7315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNqNkV9LwzAUxYMoOKffwIc8iOhDNWnSpH0RZP6FgS_uOdylt1u0a2eSKn57Wzb2qEIgJPxy7sk5hJxydsUZV9eMcZHoQsqLQl4WLE15ovbIiOe6vxY82yejHXJIjkJ4Y4xplbMRmd1hRBtd29C2onGJtG0CxuFQQXSLDqn1YN_pwrdfcUldQz24moaIWAfaBdcsKNi2C9FZiisXQq91TA4qqAOebPcxmT3cv06ekunL4_PkdppYWaQxmUslodLAJDDNFUJZpTkIITOh8ry0nCNHZecaOGcVgNZzm6HNtWZi-JwYk_ON7tq3Hx2GaHoDFusaGuwtmVQJKVOt_gmm7E-QK62ynOkelBvQ-jYEj5VZe7cC_204M0MrZojcDJGbol9DK2YwcrbVh2Chrjw01oXdW1FwmWeDjZsN1oeMnw69CdZhY7F0vq_LlK37fc4PSCuf1Q</recordid><startdate>1994</startdate><enddate>1994</enddate><creator>Bassim, M.N.</creator><creator>Lawrence, S.St</creator><creator>Liu, C.D.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T2</scope><scope>7U2</scope><scope>C1K</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>8BQ</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>1994</creationdate><title>Detection of the onset of fatigue crack growth in rail steels using acoustic emission</title><author>Bassim, M.N. ; Lawrence, S.St ; Liu, C.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c492t-b464af7a04a0716eadf28a33453688dc11e1e6cb7a110faa77bc5ec8770318733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Acoustical measurements and instrumentation</topic><topic>Acoustics</topic><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Ground, air and sea transportation, marine construction</topic><topic>Physics</topic><topic>Railway transportation and traffic</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bassim, M.N.</creatorcontrib><creatorcontrib>Lawrence, S.St</creatorcontrib><creatorcontrib>Liu, C.D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Safety Science and Risk</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>METADEX</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Engineering fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bassim, M.N.</au><au>Lawrence, S.St</au><au>Liu, C.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Detection of the onset of fatigue crack growth in rail steels using acoustic emission</atitle><jtitle>Engineering fracture mechanics</jtitle><date>1994</date><risdate>1994</risdate><volume>47</volume><issue>2</issue><spage>207</spage><epage>214</epage><pages>207-214</pages><issn>0013-7944</issn><eissn>1873-7315</eissn><coden>EFMEAH</coden><abstract>Acoustic emission has held promise for quantitative evaluation of the extent of crack growth in metallic materials during fracture and fatigue. A correlation between acoustic emission and the stress intensity factor was derived which allows prediction of the stress intensity factor (
K or
ΔK) from acoustic emission measurements. At very low values of
ΔK, corresponding to the onset of fatigue crack growth, it was expected that acoustic emission would detect this event. The experimental procedure to verify this assumption involved high cycle fatigue of four-point bending specimens of a number of rail steels. The fatigue testing was stopped whenever the first indication of acoustic emission activity, manifested by a measurable
ΔK, occurred. This was followed by optical and scanning electron microscopy to detect the sources of cracking in the steels. The results show that, in the rail steels, cracks grow near inclusions. Crack lengths as small as 0.009 mm were detected and the success rate in the detection of the onset of crack growth was 100%.</abstract><cop>Tarrytown, NY</cop><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/0013-7944(94)90221-6</doi><tpages>8</tpages></addata></record> |
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| ispartof | Engineering fracture mechanics, 1994, Vol.47 (2), p.207-214 |
| issn | 0013-7944 1873-7315 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Acoustical measurements and instrumentation Acoustics Applied sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Ground, air and sea transportation, marine construction Physics Railway transportation and traffic |
| title | Detection of the onset of fatigue crack growth in rail steels using acoustic emission |
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