Effects of weld strength mismatch on J and CTOD estimation procedure for SE(B) specimens
This work examines the effect of weld strength mismatch on fracture toughness measurements defined by J and CTOD fracture parameters using single edge notch bend (SE(B)) specimens. A central objective of the present study is to enlarge on previous developments of J and CTOD estimation procedures for...
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| Veröffentlicht in: | International journal of fracture 2009-09, Vol.159 (1), p.1-20 |
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| creator | Donato, Gustavo H. B. Magnabosco, Rodrigo Ruggieri, Claudio |
| description | This work examines the effect of weld strength mismatch on fracture toughness measurements defined by
J
and CTOD fracture parameters using single edge notch bend (SE(B)) specimens. A central objective of the present study is to enlarge on previous developments of
J
and CTOD estimation procedures for welded bend specimens based upon plastic
eta
factors (
η
) and plastic rotational factors (
r
p
). Very detailed non-linear finite element analyses for plane-strain models of standard SE(B) fracture specimens with a notch located at the center of square groove welds and in the heat affected zone provide the evolution of load with increased crack mouth opening displacement required for the estimation procedure. One key result emerging from the analyses is that levels of weld strength mismatch within the range ±20% mismatch do not affect significantly
J
and CTOD estimation expressions applicable to homogeneous materials, particularly for deeply cracked fracture specimens with relatively large weld grooves. The present study provides additional understanding on the effect of weld strength mismatch on
J
and CTOD toughness measurements while, at the same time, adding a fairly extensive body of results to determine parameters
J
and CTOD for different materials using bend specimens with varying geometries and mismatch levels. |
| doi_str_mv | 10.1007/s10704-009-9377-9 |
| format | Article |
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J
and CTOD fracture parameters using single edge notch bend (SE(B)) specimens. A central objective of the present study is to enlarge on previous developments of
J
and CTOD estimation procedures for welded bend specimens based upon plastic
eta
factors (
η
) and plastic rotational factors (
r
p
). Very detailed non-linear finite element analyses for plane-strain models of standard SE(B) fracture specimens with a notch located at the center of square groove welds and in the heat affected zone provide the evolution of load with increased crack mouth opening displacement required for the estimation procedure. One key result emerging from the analyses is that levels of weld strength mismatch within the range ±20% mismatch do not affect significantly
J
and CTOD estimation expressions applicable to homogeneous materials, particularly for deeply cracked fracture specimens with relatively large weld grooves. The present study provides additional understanding on the effect of weld strength mismatch on
J
and CTOD toughness measurements while, at the same time, adding a fairly extensive body of results to determine parameters
J
and CTOD for different materials using bend specimens with varying geometries and mismatch levels.</description><identifier>ISSN: 0376-9429</identifier><identifier>EISSN: 1573-2673</identifier><identifier>DOI: 10.1007/s10704-009-9377-9</identifier><identifier>CODEN: IJFRAP</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Automotive Engineering ; Bend strength ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Civil Engineering ; Classical Mechanics ; Crack opening displacement ; Exact sciences and technology ; Finite element method ; Fracture mechanics ; Fracture mechanics (crack, fatigue, damage...) ; Fracture toughness ; Fundamental areas of phenomenology (including applications) ; Grooves ; Heat affected zone ; Materials Science ; Mathematical models ; Mechanical Engineering ; Nonlinear analysis ; Notches ; Original Paper ; Parameters ; Physics ; Plane strain ; Solid mechanics ; Strain analysis ; Structural and continuum mechanics ; Weld strength ; Welded joints</subject><ispartof>International journal of fracture, 2009-09, Vol.159 (1), p.1-20</ispartof><rights>Springer Science+Business Media B.V. 2009</rights><rights>2009 INIST-CNRS</rights><rights>International Journal of Fracture is a copyright of Springer, (2009). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c444t-79d92cd76c1cd2d3c97f9b29394cb12e00d6ec35331eef91766695c37864706d3</citedby><cites>FETCH-LOGICAL-c444t-79d92cd76c1cd2d3c97f9b29394cb12e00d6ec35331eef91766695c37864706d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10704-009-9377-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10704-009-9377-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22006860$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Donato, Gustavo H. B.</creatorcontrib><creatorcontrib>Magnabosco, Rodrigo</creatorcontrib><creatorcontrib>Ruggieri, Claudio</creatorcontrib><title>Effects of weld strength mismatch on J and CTOD estimation procedure for SE(B) specimens</title><title>International journal of fracture</title><addtitle>Int J Fract</addtitle><description>This work examines the effect of weld strength mismatch on fracture toughness measurements defined by
J
and CTOD fracture parameters using single edge notch bend (SE(B)) specimens. A central objective of the present study is to enlarge on previous developments of
J
and CTOD estimation procedures for welded bend specimens based upon plastic
eta
factors (
η
) and plastic rotational factors (
r
p
). Very detailed non-linear finite element analyses for plane-strain models of standard SE(B) fracture specimens with a notch located at the center of square groove welds and in the heat affected zone provide the evolution of load with increased crack mouth opening displacement required for the estimation procedure. One key result emerging from the analyses is that levels of weld strength mismatch within the range ±20% mismatch do not affect significantly
J
and CTOD estimation expressions applicable to homogeneous materials, particularly for deeply cracked fracture specimens with relatively large weld grooves. The present study provides additional understanding on the effect of weld strength mismatch on
J
and CTOD toughness measurements while, at the same time, adding a fairly extensive body of results to determine parameters
J
and CTOD for different materials using bend specimens with varying geometries and mismatch levels.</description><subject>Automotive Engineering</subject><subject>Bend strength</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Civil Engineering</subject><subject>Classical Mechanics</subject><subject>Crack opening displacement</subject><subject>Exact sciences and technology</subject><subject>Finite element method</subject><subject>Fracture mechanics</subject><subject>Fracture mechanics (crack, fatigue, damage...)</subject><subject>Fracture toughness</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Grooves</subject><subject>Heat affected zone</subject><subject>Materials Science</subject><subject>Mathematical models</subject><subject>Mechanical Engineering</subject><subject>Nonlinear analysis</subject><subject>Notches</subject><subject>Original Paper</subject><subject>Parameters</subject><subject>Physics</subject><subject>Plane strain</subject><subject>Solid mechanics</subject><subject>Strain analysis</subject><subject>Structural and continuum mechanics</subject><subject>Weld strength</subject><subject>Welded joints</subject><issn>0376-9429</issn><issn>1573-2673</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kF1LwzAUhoMoOKc_wLuAiHpRzUebNJc65xeDXTjBu9AlJ1tH186kRfz3ZnQoCF4FTp7z8pwXoVNKrikh8iZQIkmaEKISxaVM1B4a0EzyhAnJ99GAcCkSlTJ1iI5CWJEIyjwdoPexc2DagBuHP6GyOLQe6kW7xOsyrIvWLHFT4xdc1BaPZtN7DKEt47yM041vDNjOA3aNx6_jy7srHDZgyjXU4RgduKIKcLJ7h-jtYTwbPSWT6ePz6HaSmDRN20Qqq5ixUhhqLLPcKOnUnCmuUjOnDAixAgzPOKcATlEphFCZ4TIXqSTC8iG66HOjzUcX7XQUN1BVRQ1NF7TMuFCUZnkkz_6Qq6bzdZTTjGUqZzmXKlK0p4xvQvDg9MbHg_2XpkRvq9Z91To2qLdV6-3O-S65CKaonC9qU4afRcYIEbkgkWM9F-JXvQD_a_B_-DfRuova</recordid><startdate>20090901</startdate><enddate>20090901</enddate><creator>Donato, Gustavo H. 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B. ; Magnabosco, Rodrigo ; Ruggieri, Claudio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c444t-79d92cd76c1cd2d3c97f9b29394cb12e00d6ec35331eef91766695c37864706d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Automotive Engineering</topic><topic>Bend strength</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Civil Engineering</topic><topic>Classical Mechanics</topic><topic>Crack opening displacement</topic><topic>Exact sciences and technology</topic><topic>Finite element method</topic><topic>Fracture mechanics</topic><topic>Fracture mechanics (crack, fatigue, damage...)</topic><topic>Fracture toughness</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Grooves</topic><topic>Heat affected zone</topic><topic>Materials Science</topic><topic>Mathematical models</topic><topic>Mechanical Engineering</topic><topic>Nonlinear analysis</topic><topic>Notches</topic><topic>Original Paper</topic><topic>Parameters</topic><topic>Physics</topic><topic>Plane strain</topic><topic>Solid mechanics</topic><topic>Strain analysis</topic><topic>Structural and continuum mechanics</topic><topic>Weld strength</topic><topic>Welded joints</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Donato, Gustavo H. 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B.</au><au>Magnabosco, Rodrigo</au><au>Ruggieri, Claudio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of weld strength mismatch on J and CTOD estimation procedure for SE(B) specimens</atitle><jtitle>International journal of fracture</jtitle><stitle>Int J Fract</stitle><date>2009-09-01</date><risdate>2009</risdate><volume>159</volume><issue>1</issue><spage>1</spage><epage>20</epage><pages>1-20</pages><issn>0376-9429</issn><eissn>1573-2673</eissn><coden>IJFRAP</coden><abstract>This work examines the effect of weld strength mismatch on fracture toughness measurements defined by
J
and CTOD fracture parameters using single edge notch bend (SE(B)) specimens. A central objective of the present study is to enlarge on previous developments of
J
and CTOD estimation procedures for welded bend specimens based upon plastic
eta
factors (
η
) and plastic rotational factors (
r
p
). Very detailed non-linear finite element analyses for plane-strain models of standard SE(B) fracture specimens with a notch located at the center of square groove welds and in the heat affected zone provide the evolution of load with increased crack mouth opening displacement required for the estimation procedure. One key result emerging from the analyses is that levels of weld strength mismatch within the range ±20% mismatch do not affect significantly
J
and CTOD estimation expressions applicable to homogeneous materials, particularly for deeply cracked fracture specimens with relatively large weld grooves. The present study provides additional understanding on the effect of weld strength mismatch on
J
and CTOD toughness measurements while, at the same time, adding a fairly extensive body of results to determine parameters
J
and CTOD for different materials using bend specimens with varying geometries and mismatch levels.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10704-009-9377-9</doi><tpages>20</tpages></addata></record> |
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| subjects | Automotive Engineering Bend strength Characterization and Evaluation of Materials Chemistry and Materials Science Civil Engineering Classical Mechanics Crack opening displacement Exact sciences and technology Finite element method Fracture mechanics Fracture mechanics (crack, fatigue, damage...) Fracture toughness Fundamental areas of phenomenology (including applications) Grooves Heat affected zone Materials Science Mathematical models Mechanical Engineering Nonlinear analysis Notches Original Paper Parameters Physics Plane strain Solid mechanics Strain analysis Structural and continuum mechanics Weld strength Welded joints |
| title | Effects of weld strength mismatch on J and CTOD estimation procedure for SE(B) specimens |
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