High resolution analysis of opening and sliding in fatigue crack growth
► Digital image correlation (DIC) is used to measure fatigue crack growth (FCG). ► We perform FCG experiments on single- and poly-crystal stainless steel specimens. ► We use DIC to differentiate between mode I vs. mode II growth mechanisms. ► Crack opening profiles account for crack closure effect i...
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| Veröffentlicht in: | International journal of fatigue 2012-04, Vol.37, p.134-145 |
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| container_title | International journal of fatigue |
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| creator | Sangid, Michael D. Pataky, Garrett J. Sehitoglu, Huseyin Hamilton, Reginald F. Maier, Hans J. |
| description | ► Digital image correlation (DIC) is used to measure fatigue crack growth (FCG). ► We perform FCG experiments on single- and poly-crystal stainless steel specimens. ► We use DIC to differentiate between mode I vs. mode II growth mechanisms. ► Crack opening profiles account for crack closure effect in crack propagation. ► Slip irreversibilities ahead of the crack tip are quantified.
The use of digital image correlation analysis during fatigue crack growth (FCG) of polycrystalline and [1
1
1] oriented single crystal specimens of 316L stainless steel allows for the investigation of mixed mode crack propagation in the vicinity of the crack tip. This technique offers significant benefit in addressing crack closure at the microscale compared to the large body of work studying this phenomenon at the macroscale. Understanding of FCG behavior relies on the sliding (mode II) details which can be rather complicated. In this study, the mode I (opening) and mode II (sliding) mechanisms are differentiated within the single crystal specimens for slanted cracks. Further, crack opening displacement profiles are obtained in mode I and mode II, which are used to quantify crack closure in each specimen. Finally, the irreversible strain within the plastic zone ahead of the crack tip is measured during crack propagation. The results show that [1
1
1] oriented single crystal specimen fatigued at
R
=
−1 display the most slip irreversibilities due to reverse dislocation motion leading to dislocation kinks/jogs. As a result, residual stress is diminished at the crack tip thereby resulting in earlier crack opening within the loading cycle. |
| doi_str_mv | 10.1016/j.ijfatigue.2011.11.001 |
| format | Article |
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The use of digital image correlation analysis during fatigue crack growth (FCG) of polycrystalline and [1
1
1] oriented single crystal specimens of 316L stainless steel allows for the investigation of mixed mode crack propagation in the vicinity of the crack tip. This technique offers significant benefit in addressing crack closure at the microscale compared to the large body of work studying this phenomenon at the macroscale. Understanding of FCG behavior relies on the sliding (mode II) details which can be rather complicated. In this study, the mode I (opening) and mode II (sliding) mechanisms are differentiated within the single crystal specimens for slanted cracks. Further, crack opening displacement profiles are obtained in mode I and mode II, which are used to quantify crack closure in each specimen. Finally, the irreversible strain within the plastic zone ahead of the crack tip is measured during crack propagation. The results show that [1
1
1] oriented single crystal specimen fatigued at
R
=
−1 display the most slip irreversibilities due to reverse dislocation motion leading to dislocation kinks/jogs. As a result, residual stress is diminished at the crack tip thereby resulting in earlier crack opening within the loading cycle.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2011.11.001</identifier><identifier>CODEN: IJFADB</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Austenitic stainless steels ; Crack closure ; Crack opening ; Crack propagation ; Cracks ; Dislocation jogs ; Exact sciences and technology ; Fatigue ; Fatigue crack growth ; Fatigue failure ; Fracture mechanics ; Heat resistant steels ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Mixed mode ; Single crystals ; Stainless steel</subject><ispartof>International journal of fatigue, 2012-04, Vol.37, p.134-145</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-d401bfdbf37db1b426d11efdd25d327d2614c3e0a88c9b14f8af551e7d50a8b23</citedby><cites>FETCH-LOGICAL-c378t-d401bfdbf37db1b426d11efdd25d327d2614c3e0a88c9b14f8af551e7d50a8b23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0142112311002957$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25651121$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Sangid, Michael D.</creatorcontrib><creatorcontrib>Pataky, Garrett J.</creatorcontrib><creatorcontrib>Sehitoglu, Huseyin</creatorcontrib><creatorcontrib>Hamilton, Reginald F.</creatorcontrib><creatorcontrib>Maier, Hans J.</creatorcontrib><title>High resolution analysis of opening and sliding in fatigue crack growth</title><title>International journal of fatigue</title><description>► Digital image correlation (DIC) is used to measure fatigue crack growth (FCG). ► We perform FCG experiments on single- and poly-crystal stainless steel specimens. ► We use DIC to differentiate between mode I vs. mode II growth mechanisms. ► Crack opening profiles account for crack closure effect in crack propagation. ► Slip irreversibilities ahead of the crack tip are quantified.
The use of digital image correlation analysis during fatigue crack growth (FCG) of polycrystalline and [1
1
1] oriented single crystal specimens of 316L stainless steel allows for the investigation of mixed mode crack propagation in the vicinity of the crack tip. This technique offers significant benefit in addressing crack closure at the microscale compared to the large body of work studying this phenomenon at the macroscale. Understanding of FCG behavior relies on the sliding (mode II) details which can be rather complicated. In this study, the mode I (opening) and mode II (sliding) mechanisms are differentiated within the single crystal specimens for slanted cracks. Further, crack opening displacement profiles are obtained in mode I and mode II, which are used to quantify crack closure in each specimen. Finally, the irreversible strain within the plastic zone ahead of the crack tip is measured during crack propagation. The results show that [1
1
1] oriented single crystal specimen fatigued at
R
=
−1 display the most slip irreversibilities due to reverse dislocation motion leading to dislocation kinks/jogs. As a result, residual stress is diminished at the crack tip thereby resulting in earlier crack opening within the loading cycle.</description><subject>Applied sciences</subject><subject>Austenitic stainless steels</subject><subject>Crack closure</subject><subject>Crack opening</subject><subject>Crack propagation</subject><subject>Cracks</subject><subject>Dislocation jogs</subject><subject>Exact sciences and technology</subject><subject>Fatigue</subject><subject>Fatigue crack growth</subject><subject>Fatigue failure</subject><subject>Fracture mechanics</subject><subject>Heat resistant steels</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Mixed mode</subject><subject>Single crystals</subject><subject>Stainless steel</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKu_wb0IXnbNZDf7cSxFW6HgRc8hm49t6japya7Sf2-WFq_CQIbhmXnJg9A94AwwlE-7zOw0H0w3qoxggCwWxnCBZlBXTZoXlFyiGYaCpAAkv0Y3Iewwxg2u6Ayt1qbbJl4F14-DcTbhlvfHYELidOIOyhrbxZlMQm_k1BubnNMS4bn4TDrvfobtLbrSvA_q7vzO0cfL8_tynW7eVq_LxSYVeVUPqSwwtFq2Oq9kC21BSgmgtJSEypxUkpRQiFxhXteiaaHQNdeUgqokjbOW5HP0eLp78O5rVGFgexOE6ntulRsDi0pw3eQNKSJanVDhXQheaXbwZs_9MUITV7Id-1PHJnUsVlQXNx_OITwI3mvPrTDhb53QkkaVE7c4cSr--Nsoz4IwygoljVdiYNKZf7N-AY0kiT0</recordid><startdate>20120401</startdate><enddate>20120401</enddate><creator>Sangid, Michael D.</creator><creator>Pataky, Garrett J.</creator><creator>Sehitoglu, Huseyin</creator><creator>Hamilton, Reginald F.</creator><creator>Maier, Hans J.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20120401</creationdate><title>High resolution analysis of opening and sliding in fatigue crack growth</title><author>Sangid, Michael D. ; Pataky, Garrett J. ; Sehitoglu, Huseyin ; Hamilton, Reginald F. ; Maier, Hans J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-d401bfdbf37db1b426d11efdd25d327d2614c3e0a88c9b14f8af551e7d50a8b23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Austenitic stainless steels</topic><topic>Crack closure</topic><topic>Crack opening</topic><topic>Crack propagation</topic><topic>Cracks</topic><topic>Dislocation jogs</topic><topic>Exact sciences and technology</topic><topic>Fatigue</topic><topic>Fatigue crack growth</topic><topic>Fatigue failure</topic><topic>Fracture mechanics</topic><topic>Heat resistant steels</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Mixed mode</topic><topic>Single crystals</topic><topic>Stainless steel</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sangid, Michael D.</creatorcontrib><creatorcontrib>Pataky, Garrett J.</creatorcontrib><creatorcontrib>Sehitoglu, Huseyin</creatorcontrib><creatorcontrib>Hamilton, Reginald F.</creatorcontrib><creatorcontrib>Maier, Hans J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of fatigue</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sangid, Michael D.</au><au>Pataky, Garrett J.</au><au>Sehitoglu, Huseyin</au><au>Hamilton, Reginald F.</au><au>Maier, Hans J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High resolution analysis of opening and sliding in fatigue crack growth</atitle><jtitle>International journal of fatigue</jtitle><date>2012-04-01</date><risdate>2012</risdate><volume>37</volume><spage>134</spage><epage>145</epage><pages>134-145</pages><issn>0142-1123</issn><eissn>1879-3452</eissn><coden>IJFADB</coden><abstract>► Digital image correlation (DIC) is used to measure fatigue crack growth (FCG). ► We perform FCG experiments on single- and poly-crystal stainless steel specimens. ► We use DIC to differentiate between mode I vs. mode II growth mechanisms. ► Crack opening profiles account for crack closure effect in crack propagation. ► Slip irreversibilities ahead of the crack tip are quantified.
The use of digital image correlation analysis during fatigue crack growth (FCG) of polycrystalline and [1
1
1] oriented single crystal specimens of 316L stainless steel allows for the investigation of mixed mode crack propagation in the vicinity of the crack tip. This technique offers significant benefit in addressing crack closure at the microscale compared to the large body of work studying this phenomenon at the macroscale. Understanding of FCG behavior relies on the sliding (mode II) details which can be rather complicated. In this study, the mode I (opening) and mode II (sliding) mechanisms are differentiated within the single crystal specimens for slanted cracks. Further, crack opening displacement profiles are obtained in mode I and mode II, which are used to quantify crack closure in each specimen. Finally, the irreversible strain within the plastic zone ahead of the crack tip is measured during crack propagation. The results show that [1
1
1] oriented single crystal specimen fatigued at
R
=
−1 display the most slip irreversibilities due to reverse dislocation motion leading to dislocation kinks/jogs. As a result, residual stress is diminished at the crack tip thereby resulting in earlier crack opening within the loading cycle.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijfatigue.2011.11.001</doi><tpages>12</tpages></addata></record> |
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| subjects | Applied sciences Austenitic stainless steels Crack closure Crack opening Crack propagation Cracks Dislocation jogs Exact sciences and technology Fatigue Fatigue crack growth Fatigue failure Fracture mechanics Heat resistant steels Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Mixed mode Single crystals Stainless steel |
| title | High resolution analysis of opening and sliding in fatigue crack growth |
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