Fatigue behaviour of porous polysulphone surface coatings for orthopaedic applications
Porous polysulphone (PPSF) has recently been selected as a candidate material for use as a prosthetic surface coating in orthopaedic applications to acommodate ‘bone ingrowth’ for fixation to the skeletal system. The tension-loaded fatigue behaviour of PPSF was characterized based on the interpretat...
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| Veröffentlicht in: | International journal of fatigue 1987, Vol.9 (4), p.211-216 |
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| container_title | International journal of fatigue |
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| creator | Beals, N.B. McDowell, D.L. Spector, M. |
| description | Porous polysulphone (PPSF) has recently been selected as a candidate material for use as a prosthetic surface coating in orthopaedic applications to acommodate ‘bone ingrowth’ for fixation to the skeletal system. The tension-loaded fatigue behaviour of PPSF was characterized based on the interpretation of stress/life (
S/
N) data. Results of this investigation indicate that the fatigue life of PPSF is governed by crack propagation across the sintered necks of the porous structure. In addition, experimental data revealed that the fatigue strength-reduction factor,
K
f
, remains equivalent to the tensile notch strength-reduction factor for a wide range of fatigue lives. However, analytical results indicate that the material has a low notch sensitivity and that a single application of a theoretical elastic stress-concentration factor in a fatigue analysis would be inappropriate. |
| doi_str_mv | 10.1016/0142-1123(87)90023-5 |
| format | Article |
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S/
N) data. Results of this investigation indicate that the fatigue life of PPSF is governed by crack propagation across the sintered necks of the porous structure. In addition, experimental data revealed that the fatigue strength-reduction factor,
K
f
, remains equivalent to the tensile notch strength-reduction factor for a wide range of fatigue lives. However, analytical results indicate that the material has a low notch sensitivity and that a single application of a theoretical elastic stress-concentration factor in a fatigue analysis would be inappropriate.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/0142-1123(87)90023-5</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>coatings ; fatigue ; porous materials ; porous polysulphone ; prosthetics ; service life ; stress ; stress concentration ; triaxiality factor</subject><ispartof>International journal of fatigue, 1987, Vol.9 (4), p.211-216</ispartof><rights>1987</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0142-1123(87)90023-5$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,782,786,3552,4026,27930,27931,27932,46002</link.rule.ids></links><search><creatorcontrib>Beals, N.B.</creatorcontrib><creatorcontrib>McDowell, D.L.</creatorcontrib><creatorcontrib>Spector, M.</creatorcontrib><title>Fatigue behaviour of porous polysulphone surface coatings for orthopaedic applications</title><title>International journal of fatigue</title><description>Porous polysulphone (PPSF) has recently been selected as a candidate material for use as a prosthetic surface coating in orthopaedic applications to acommodate ‘bone ingrowth’ for fixation to the skeletal system. The tension-loaded fatigue behaviour of PPSF was characterized based on the interpretation of stress/life (
S/
N) data. Results of this investigation indicate that the fatigue life of PPSF is governed by crack propagation across the sintered necks of the porous structure. In addition, experimental data revealed that the fatigue strength-reduction factor,
K
f
, remains equivalent to the tensile notch strength-reduction factor for a wide range of fatigue lives. However, analytical results indicate that the material has a low notch sensitivity and that a single application of a theoretical elastic stress-concentration factor in a fatigue analysis would be inappropriate.</description><subject>coatings</subject><subject>fatigue</subject><subject>porous materials</subject><subject>porous polysulphone</subject><subject>prosthetics</subject><subject>service life</subject><subject>stress</subject><subject>stress concentration</subject><subject>triaxiality factor</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLAzEUhYMoWKv_wMWsfCxG887MRpBiVSi4KW5DmrlpI-NkTGYK_femVly6uovznQP3Q-iS4DuCibzHhNOSEMpuKnVbY0xZKY7QhFSqLhkX9BhN_pBTdJbSB8a4xkpM0PvcDH49QrGCjdn6MMYiuKIPMYwpn3aXxrbfhA6KNEZnLBQ25Ea3ToULmY3DJvQGGm8L0_ettzkMXTpHJ860CS5-7xQt50_L2Uu5eHt-nT0uSksZGUoiG-YwYxWWgjAqAK-YdBQqXlHWSCMoh6bGVuYcWOMokUJQIuraOWUVm6Lrw2wfw9cIadCfPlloW9NBfkArziVXmMpMXv1LUs6FogJnkB9AG0NKEZzuo_80cacJ1nvbeq9S71XqSukf21rk2sOhBvnbrYeok_XQ2Wwmgh10E_z_A9-uF4Y9</recordid><startdate>1987</startdate><enddate>1987</enddate><creator>Beals, N.B.</creator><creator>McDowell, D.L.</creator><creator>Spector, M.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7TC</scope></search><sort><creationdate>1987</creationdate><title>Fatigue behaviour of porous polysulphone surface coatings for orthopaedic applications</title><author>Beals, N.B. ; McDowell, D.L. ; Spector, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c231t-16d3f03380651325e0b36f2e84823d6a524ed90c6065e3df2165521599ff7c73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>coatings</topic><topic>fatigue</topic><topic>porous materials</topic><topic>porous polysulphone</topic><topic>prosthetics</topic><topic>service life</topic><topic>stress</topic><topic>stress concentration</topic><topic>triaxiality factor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beals, N.B.</creatorcontrib><creatorcontrib>McDowell, D.L.</creatorcontrib><creatorcontrib>Spector, M.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Mechanical Engineering Abstracts</collection><jtitle>International journal of fatigue</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Beals, N.B.</au><au>McDowell, D.L.</au><au>Spector, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fatigue behaviour of porous polysulphone surface coatings for orthopaedic applications</atitle><jtitle>International journal of fatigue</jtitle><date>1987</date><risdate>1987</risdate><volume>9</volume><issue>4</issue><spage>211</spage><epage>216</epage><pages>211-216</pages><issn>0142-1123</issn><eissn>1879-3452</eissn><abstract>Porous polysulphone (PPSF) has recently been selected as a candidate material for use as a prosthetic surface coating in orthopaedic applications to acommodate ‘bone ingrowth’ for fixation to the skeletal system. The tension-loaded fatigue behaviour of PPSF was characterized based on the interpretation of stress/life (
S/
N) data. Results of this investigation indicate that the fatigue life of PPSF is governed by crack propagation across the sintered necks of the porous structure. In addition, experimental data revealed that the fatigue strength-reduction factor,
K
f
, remains equivalent to the tensile notch strength-reduction factor for a wide range of fatigue lives. However, analytical results indicate that the material has a low notch sensitivity and that a single application of a theoretical elastic stress-concentration factor in a fatigue analysis would be inappropriate.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/0142-1123(87)90023-5</doi><tpages>6</tpages></addata></record> |
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| ispartof | International journal of fatigue, 1987, Vol.9 (4), p.211-216 |
| issn | 0142-1123 1879-3452 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_744647026 |
| source | Access via ScienceDirect (Elsevier) |
| subjects | coatings fatigue porous materials porous polysulphone prosthetics service life stress stress concentration triaxiality factor |
| title | Fatigue behaviour of porous polysulphone surface coatings for orthopaedic applications |
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