Effect of prior laser microstructural refinement on the formation of amorphous layer in an Al86Co7.6Ce6.4 alloy
•Laser microstructural refinement eliminatd large and brittle Al8Co2Ce particles.•Refined microstructure made LAEB homogenisation and amorphisation easier.•Laser microstructural refinement successfully decreased the extent of LAEB cracking. Laser surface melting (LSM) pre-treatment was conducted bef...
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| Veröffentlicht in: | Applied surface science 2014-01, Vol.289, p.230-236 |
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| creator | Li, C.L. Murray, J.W. Voisey, K.T. Clare, A.T. McCartney, D.G. |
| description | •Laser microstructural refinement eliminatd large and brittle Al8Co2Ce particles.•Refined microstructure made LAEB homogenisation and amorphisation easier.•Laser microstructural refinement successfully decreased the extent of LAEB cracking.
Laser surface melting (LSM) pre-treatment was conducted before large area electron beam (LAEB) treatment in an attempt to eliminate the cracking of the amorphous layer. In our previous work, LAEB treatment successfully generated an amorphous layer on a cast polycrystalline Al–Co–Ce glass forming alloy. However, cracking was found and was associated with large and brittle Al8Co2Ce phase in the bulk material. Results show that prior LSM treatment in this present work can effectively refine the microstructure of as-cast material, decreasing the particle size and particle spacing of Al8Co2Ce phase. This decrease in the microstructural length scale greatly reduced the results of cracking of the amorphous layer. The LAEB pulse number required for the homogenisation and amorphisation of treated layer was also decreased for the laser pre-treated sample compared to as-cast material. |
| doi_str_mv | 10.1016/j.apsusc.2013.10.140 |
| format | Article |
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Laser surface melting (LSM) pre-treatment was conducted before large area electron beam (LAEB) treatment in an attempt to eliminate the cracking of the amorphous layer. In our previous work, LAEB treatment successfully generated an amorphous layer on a cast polycrystalline Al–Co–Ce glass forming alloy. However, cracking was found and was associated with large and brittle Al8Co2Ce phase in the bulk material. Results show that prior LSM treatment in this present work can effectively refine the microstructure of as-cast material, decreasing the particle size and particle spacing of Al8Co2Ce phase. This decrease in the microstructural length scale greatly reduced the results of cracking of the amorphous layer. The LAEB pulse number required for the homogenisation and amorphisation of treated layer was also decreased for the laser pre-treated sample compared to as-cast material.</description><identifier>ISSN: 0169-4332</identifier><identifier>EISSN: 1873-5584</identifier><identifier>DOI: 10.1016/j.apsusc.2013.10.140</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Amorphisation ; Amorphous ; Brittleness ; Cracking ; Crystallisation ; Electron beam ; Formations ; Fracture mechanics ; Glass formation ; Glass-forming alloy ; Homogenisation ; Homogenizing ; Laser microstructural refinement ; Lasers ; Melting ; Microstructure ; Particle size</subject><ispartof>Applied surface science, 2014-01, Vol.289, p.230-236</ispartof><rights>2013 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c315t-d6c16c6a98104ce71597a11e8dd0f2957fa1a024c2145bdd4387f7b324c00c6e3</citedby><cites>FETCH-LOGICAL-c315t-d6c16c6a98104ce71597a11e8dd0f2957fa1a024c2145bdd4387f7b324c00c6e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0169433213019995$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Li, C.L.</creatorcontrib><creatorcontrib>Murray, J.W.</creatorcontrib><creatorcontrib>Voisey, K.T.</creatorcontrib><creatorcontrib>Clare, A.T.</creatorcontrib><creatorcontrib>McCartney, D.G.</creatorcontrib><title>Effect of prior laser microstructural refinement on the formation of amorphous layer in an Al86Co7.6Ce6.4 alloy</title><title>Applied surface science</title><description>•Laser microstructural refinement eliminatd large and brittle Al8Co2Ce particles.•Refined microstructure made LAEB homogenisation and amorphisation easier.•Laser microstructural refinement successfully decreased the extent of LAEB cracking.
Laser surface melting (LSM) pre-treatment was conducted before large area electron beam (LAEB) treatment in an attempt to eliminate the cracking of the amorphous layer. In our previous work, LAEB treatment successfully generated an amorphous layer on a cast polycrystalline Al–Co–Ce glass forming alloy. However, cracking was found and was associated with large and brittle Al8Co2Ce phase in the bulk material. Results show that prior LSM treatment in this present work can effectively refine the microstructure of as-cast material, decreasing the particle size and particle spacing of Al8Co2Ce phase. This decrease in the microstructural length scale greatly reduced the results of cracking of the amorphous layer. The LAEB pulse number required for the homogenisation and amorphisation of treated layer was also decreased for the laser pre-treated sample compared to as-cast material.</description><subject>Amorphisation</subject><subject>Amorphous</subject><subject>Brittleness</subject><subject>Cracking</subject><subject>Crystallisation</subject><subject>Electron beam</subject><subject>Formations</subject><subject>Fracture mechanics</subject><subject>Glass formation</subject><subject>Glass-forming alloy</subject><subject>Homogenisation</subject><subject>Homogenizing</subject><subject>Laser microstructural refinement</subject><subject>Lasers</subject><subject>Melting</subject><subject>Microstructure</subject><subject>Particle size</subject><issn>0169-4332</issn><issn>1873-5584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OxCAUhYnRxHH0DVywdNMKhUK7MZk0408yiRtdE4ZeMkzaUqE1mbeXsa5d3dzD-W44B6F7SnJKqHg85nqMczR5QSjLzyonF2hFK8mysqz4JVolW51xxoprdBPjkRBapNcV8ltrwUzYWzwG5wPudISAe2eCj1OYzTQH3eEA1g3Qw5CcA54OgK0PvZ5c2hKqex_Gg59jwk8JdwPWA950lWi8zEUDIudYd50_3aIrq7sId39zjT6ftx_Na7Z7f3lrNrvMMFpOWSsMFUbouqKEG5C0rKWmFKq2JbaoS2k11aTgpqC83LctZ5W0cs-SQogRwNboYbk7Bv81Q5xU76KBrtMDpH8qKqpSyoIznqx8sZ4jx5RUpSZ6HU6KEnXuVx3V0q869_urcpKwpwWDFOPbQVDROBgMtC6kRlXr3f8HfgBmjYXH</recordid><startdate>20140115</startdate><enddate>20140115</enddate><creator>Li, C.L.</creator><creator>Murray, J.W.</creator><creator>Voisey, K.T.</creator><creator>Clare, A.T.</creator><creator>McCartney, D.G.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140115</creationdate><title>Effect of prior laser microstructural refinement on the formation of amorphous layer in an Al86Co7.6Ce6.4 alloy</title><author>Li, C.L. ; Murray, J.W. ; Voisey, K.T. ; Clare, A.T. ; McCartney, D.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c315t-d6c16c6a98104ce71597a11e8dd0f2957fa1a024c2145bdd4387f7b324c00c6e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Amorphisation</topic><topic>Amorphous</topic><topic>Brittleness</topic><topic>Cracking</topic><topic>Crystallisation</topic><topic>Electron beam</topic><topic>Formations</topic><topic>Fracture mechanics</topic><topic>Glass formation</topic><topic>Glass-forming alloy</topic><topic>Homogenisation</topic><topic>Homogenizing</topic><topic>Laser microstructural refinement</topic><topic>Lasers</topic><topic>Melting</topic><topic>Microstructure</topic><topic>Particle size</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, C.L.</creatorcontrib><creatorcontrib>Murray, J.W.</creatorcontrib><creatorcontrib>Voisey, K.T.</creatorcontrib><creatorcontrib>Clare, A.T.</creatorcontrib><creatorcontrib>McCartney, D.G.</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, C.L.</au><au>Murray, J.W.</au><au>Voisey, K.T.</au><au>Clare, A.T.</au><au>McCartney, D.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of prior laser microstructural refinement on the formation of amorphous layer in an Al86Co7.6Ce6.4 alloy</atitle><jtitle>Applied surface science</jtitle><date>2014-01-15</date><risdate>2014</risdate><volume>289</volume><spage>230</spage><epage>236</epage><pages>230-236</pages><issn>0169-4332</issn><eissn>1873-5584</eissn><abstract>•Laser microstructural refinement eliminatd large and brittle Al8Co2Ce particles.•Refined microstructure made LAEB homogenisation and amorphisation easier.•Laser microstructural refinement successfully decreased the extent of LAEB cracking.
Laser surface melting (LSM) pre-treatment was conducted before large area electron beam (LAEB) treatment in an attempt to eliminate the cracking of the amorphous layer. In our previous work, LAEB treatment successfully generated an amorphous layer on a cast polycrystalline Al–Co–Ce glass forming alloy. However, cracking was found and was associated with large and brittle Al8Co2Ce phase in the bulk material. Results show that prior LSM treatment in this present work can effectively refine the microstructure of as-cast material, decreasing the particle size and particle spacing of Al8Co2Ce phase. This decrease in the microstructural length scale greatly reduced the results of cracking of the amorphous layer. The LAEB pulse number required for the homogenisation and amorphisation of treated layer was also decreased for the laser pre-treated sample compared to as-cast material.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.apsusc.2013.10.140</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Amorphisation Amorphous Brittleness Cracking Crystallisation Electron beam Formations Fracture mechanics Glass formation Glass-forming alloy Homogenisation Homogenizing Laser microstructural refinement Lasers Melting Microstructure Particle size |
| title | Effect of prior laser microstructural refinement on the formation of amorphous layer in an Al86Co7.6Ce6.4 alloy |
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