Experimental study, on strain rate sensitivity of ductile porous irons
Experimental investigation on the behavior of porous irons under compression loading, especially at high strain rate compression loading, is carried out in this study to help understanding the effects of strain rate and porosity on the yield strength, energy absorption and load carrying capacity of...
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| Veröffentlicht in: | International journal of impact engineering 2012-10, Vol.48, p.82-86 |
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| container_title | International journal of impact engineering |
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| creator | Xue, P. Iqbal, Naveed Liao, H.J. Wang, B. Li, Y.L. |
| description | Experimental investigation on the behavior of porous irons under compression loading, especially at high strain rate compression loading, is carried out in this study to help understanding the effects of strain rate and porosity on the yield strength, energy absorption and load carrying capacity of this group of porous metals. Samples of porous iron with porosity ranging from 10% to 35% were fabricated by the powder metallurgy technology. The tests were conducted at a wide range of strain rates from 10−3 to 103/s using a servo-hydraulic machine and a split Hopkinson pressure bar (SHPB) system. It has been found from the results that the material shows a bi-linear behavior over the tested strain rates. The porosity has a direct effect on the yield strength and post yield behavior of the material, while the yield strength, load carrying capacity and energy absorption capability of porous irons vary with the strain rate. Findings are being used to develop a phenomenological constitutive model for porous irons.
► Strain rate sensitivity in terms of yield strength. ► Effects of porosity on yield strength. ► Strain rate effects on energy absorption capabilities. ► Development of certain empirical relations. |
| doi_str_mv | 10.1016/j.ijimpeng.2011.06.001 |
| format | Article |
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► Strain rate sensitivity in terms of yield strength. ► Effects of porosity on yield strength. ► Strain rate effects on energy absorption capabilities. ► Development of certain empirical relations.</description><subject>Bearing strength</subject><subject>Compressive strength</subject><subject>Dynamic loading</subject><subject>Energy absorption</subject><subject>Load carrying capacity</subject><subject>Nodular iron</subject><subject>Porosity</subject><subject>Porous iron</subject><subject>SHPB</subject><subject>Strain rate</subject><subject>Strain rate sensitivity</subject><subject>Yield strength</subject><issn>0734-743X</issn><issn>1879-3509</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKt_QXL04K6TzWY_bkqxKhS8KHgLaXZWUrbJmmSL_femVM-eZg7P-zLzEHLNIGfAqrtNbjZmO6L9zAtgLIcqB2AnZMaaus24gPaUzKDmZVaX_OOcXISwSUANAmZk-fg9ojdbtFENNMSp299SZ9PmlbHUq4g0oA0mmp2Je-p62k06mgHp6LybAjXe2XBJzno1BLz6nXPyvnx8Wzxnq9enl8XDKtO8FDErdC0a1q8bhb1iQiCrsFkzoUTJSlQIwOsWhCpAaKVKxbFRTdMr3hZ11TLN5-Tm2Dt69zVhiHJrgsZhUBbTMZJBUxQFB14ltDqi2rsQPPZyTH8qv0-QPIiTG_knTh7ESahk8pKC98cgpkd2Br0M2qDV2BmPOsrOmf8qfgBbIXsI</recordid><startdate>201210</startdate><enddate>201210</enddate><creator>Xue, P.</creator><creator>Iqbal, Naveed</creator><creator>Liao, H.J.</creator><creator>Wang, B.</creator><creator>Li, Y.L.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7SU</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>201210</creationdate><title>Experimental study, on strain rate sensitivity of ductile porous irons</title><author>Xue, P. ; Iqbal, Naveed ; Liao, H.J. ; Wang, B. ; Li, Y.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-2c7581fb8aefa155e16e8b15a5414eae0037905a205caa4a3e8a88fa3927691c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Bearing strength</topic><topic>Compressive strength</topic><topic>Dynamic loading</topic><topic>Energy absorption</topic><topic>Load carrying capacity</topic><topic>Nodular iron</topic><topic>Porosity</topic><topic>Porous iron</topic><topic>SHPB</topic><topic>Strain rate</topic><topic>Strain rate sensitivity</topic><topic>Yield strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xue, P.</creatorcontrib><creatorcontrib>Iqbal, Naveed</creatorcontrib><creatorcontrib>Liao, H.J.</creatorcontrib><creatorcontrib>Wang, B.</creatorcontrib><creatorcontrib>Li, Y.L.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>International journal of impact engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xue, P.</au><au>Iqbal, Naveed</au><au>Liao, H.J.</au><au>Wang, B.</au><au>Li, Y.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental study, on strain rate sensitivity of ductile porous irons</atitle><jtitle>International journal of impact engineering</jtitle><date>2012-10</date><risdate>2012</risdate><volume>48</volume><spage>82</spage><epage>86</epage><pages>82-86</pages><issn>0734-743X</issn><eissn>1879-3509</eissn><abstract>Experimental investigation on the behavior of porous irons under compression loading, especially at high strain rate compression loading, is carried out in this study to help understanding the effects of strain rate and porosity on the yield strength, energy absorption and load carrying capacity of this group of porous metals. Samples of porous iron with porosity ranging from 10% to 35% were fabricated by the powder metallurgy technology. The tests were conducted at a wide range of strain rates from 10−3 to 103/s using a servo-hydraulic machine and a split Hopkinson pressure bar (SHPB) system. It has been found from the results that the material shows a bi-linear behavior over the tested strain rates. The porosity has a direct effect on the yield strength and post yield behavior of the material, while the yield strength, load carrying capacity and energy absorption capability of porous irons vary with the strain rate. Findings are being used to develop a phenomenological constitutive model for porous irons.
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| identifier | ISSN: 0734-743X |
| ispartof | International journal of impact engineering, 2012-10, Vol.48, p.82-86 |
| issn | 0734-743X 1879-3509 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Bearing strength Compressive strength Dynamic loading Energy absorption Load carrying capacity Nodular iron Porosity Porous iron SHPB Strain rate Strain rate sensitivity Yield strength |
| title | Experimental study, on strain rate sensitivity of ductile porous irons |
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