Effect of residual stresses on the fracture of polypropylene (PPR) pipes
Polypropylene random copolymer (PPR) pipes is one of the most used polymers in the piping systems. Hence the need to more rigorously know their properties and characteristics. In order to investigate the distribution of the residual stresses along the wall and their effect on the fracture of the PPR...
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| Veröffentlicht in: | Theoretical and applied fracture mechanics 2022-06, Vol.119, p.103330, Article 103330 |
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| creator | Ouardi, Abderrazak Wahid, Achraf Sadoki, Bouchra Mouhib, Nadia ELghorba, Mohamed |
| description | Polypropylene random copolymer (PPR) pipes is one of the most used polymers in the piping systems. Hence the need to more rigorously know their properties and characteristics. In order to investigate the distribution of the residual stresses along the wall and their effect on the fracture of the PPR pipes, an experimental methodology was conducted using tensile tests on a notched specimens machined from these pipes. Furthermore, the three stages of the damage development as well as the critical life fraction (βc) have been defined, through an adaptation of the Erismann damage model. Finally, the depths corresponding to 50% of the defected pipes reliability for both internal and external defects have been identified.
•An investigate on the influence on the residual stresses on fracture of the PPR pipes.•An estimation of the residual stresses distribution in the walls of polypropylene (PPR) pipes.•Damage progression stages determination. |
| doi_str_mv | 10.1016/j.tafmec.2022.103330 |
| format | Article |
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•An investigate on the influence on the residual stresses on fracture of the PPR pipes.•An estimation of the residual stresses distribution in the walls of polypropylene (PPR) pipes.•Damage progression stages determination.</description><subject>Copolymers</subject><subject>Damage assessment</subject><subject>Damage modeling</subject><subject>Internal and external defects</subject><subject>Piping systems</subject><subject>Polypropylene</subject><subject>Polypropylene (PPR) pipes</subject><subject>Reliability</subject><subject>Residual stress</subject><subject>Residual stresses distribution</subject><subject>Tensile tests</subject><issn>0167-8442</issn><issn>1872-7638</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-Aw8BL3romq-m6UWQZXWFBRfRc4jJBFu6bU1aYf-9KfXsZWYY3nc-HoSuKVlRQuV9vRqMP4BdMcJYanHOyQlaUFWwrJBcnaJFkhWZEoKdo4sYa0JoQUu-QNuN92AH3HkcIFZuNA2OQyojRNy1ePgC7IOxwxhgEvVdc-xD1x8baAHf7vdvd7iveoiX6MybJsLVX16ij6fN-3qb7V6fX9aPu8wyKYbMc6fyImclEAeKypzmHnL3SZ1RIDwvpReEU5_npqCSipKwVBgoHDPEe8GX6Gaem674HiEOuu7G0KaVmsmSqhQUSyoxq2zoYgzgdR-qgwlHTYmemOlaz8z0xEzPzJLtYbZB-uCngqCjraC14KqQKGnXVf8P-AX1iHWE</recordid><startdate>202206</startdate><enddate>202206</enddate><creator>Ouardi, Abderrazak</creator><creator>Wahid, Achraf</creator><creator>Sadoki, Bouchra</creator><creator>Mouhib, Nadia</creator><creator>ELghorba, Mohamed</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>202206</creationdate><title>Effect of residual stresses on the fracture of polypropylene (PPR) pipes</title><author>Ouardi, Abderrazak ; Wahid, Achraf ; Sadoki, Bouchra ; Mouhib, Nadia ; ELghorba, Mohamed</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-f3d857529e0de816515fe5db1da8e4f396f4031f55a71614902a71ae7d2a0ff43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Copolymers</topic><topic>Damage assessment</topic><topic>Damage modeling</topic><topic>Internal and external defects</topic><topic>Piping systems</topic><topic>Polypropylene</topic><topic>Polypropylene (PPR) pipes</topic><topic>Reliability</topic><topic>Residual stress</topic><topic>Residual stresses distribution</topic><topic>Tensile tests</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ouardi, Abderrazak</creatorcontrib><creatorcontrib>Wahid, Achraf</creatorcontrib><creatorcontrib>Sadoki, Bouchra</creatorcontrib><creatorcontrib>Mouhib, Nadia</creatorcontrib><creatorcontrib>ELghorba, Mohamed</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Theoretical and applied fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ouardi, Abderrazak</au><au>Wahid, Achraf</au><au>Sadoki, Bouchra</au><au>Mouhib, Nadia</au><au>ELghorba, Mohamed</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of residual stresses on the fracture of polypropylene (PPR) pipes</atitle><jtitle>Theoretical and applied fracture mechanics</jtitle><date>2022-06</date><risdate>2022</risdate><volume>119</volume><spage>103330</spage><pages>103330-</pages><artnum>103330</artnum><issn>0167-8442</issn><eissn>1872-7638</eissn><abstract>Polypropylene random copolymer (PPR) pipes is one of the most used polymers in the piping systems. Hence the need to more rigorously know their properties and characteristics. In order to investigate the distribution of the residual stresses along the wall and their effect on the fracture of the PPR pipes, an experimental methodology was conducted using tensile tests on a notched specimens machined from these pipes. Furthermore, the three stages of the damage development as well as the critical life fraction (βc) have been defined, through an adaptation of the Erismann damage model. Finally, the depths corresponding to 50% of the defected pipes reliability for both internal and external defects have been identified.
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| identifier | ISSN: 0167-8442 |
| ispartof | Theoretical and applied fracture mechanics, 2022-06, Vol.119, p.103330, Article 103330 |
| issn | 0167-8442 1872-7638 |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Copolymers Damage assessment Damage modeling Internal and external defects Piping systems Polypropylene Polypropylene (PPR) pipes Reliability Residual stress Residual stresses distribution Tensile tests |
| title | Effect of residual stresses on the fracture of polypropylene (PPR) pipes |
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