In situ investigation of liquid Ga penetration in Al bicrystal grain boundaries: grain boundary wetting or liquid metal embrittlement?
The phenomenon of grain boundary penetration (GBP) of liquid Ga along grain boundaries (GB) of Al bicrystals is investigated by synchrotron radiation X-ray microradiography. From the three different types of bicrystals studied, only the one with the highest GB energy showed GBP in the absence of app...
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| Veröffentlicht in: | Acta materialia 2005-01, Vol.53 (1), p.151-162 |
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| creator | Ludwig, W. Pereiro-López, E. Bellet, D. |
| description | The phenomenon of grain boundary penetration (GBP) of liquid Ga along grain boundaries (GB) of Al bicrystals is investigated by synchrotron radiation X-ray microradiography. From the three different types of bicrystals studied, only the one with the highest GB energy showed GBP in the absence of applied external stress. In situ observations of the penetration process reveal a linear propagation of the penetration front, accompanied by a continuous thickening of the wedge-shaped Ga layer in the GB. The experimental results demonstrate that GBP kinetics are strongly influenced by very weak levels of stress and tend to indicate that such stresses may be a prerequisite for the formation of nanometric penetration layers. |
| doi_str_mv | 10.1016/j.actamat.2004.09.012 |
| format | Article |
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From the three different types of bicrystals studied, only the one with the highest GB energy showed GBP in the absence of applied external stress. In situ observations of the penetration process reveal a linear propagation of the penetration front, accompanied by a continuous thickening of the wedge-shaped Ga layer in the GB. 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The experimental results demonstrate that GBP kinetics are strongly influenced by very weak levels of stress and tend to indicate that such stresses may be a prerequisite for the formation of nanometric penetration layers.</description><subject>BICRYSTALS</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>EMBRITTLEMENT</subject><subject>Exact sciences and technology</subject><subject>GALLIUM</subject><subject>GRAIN BOUNDARIES</subject><subject>Grain boundary penetration</subject><subject>Grain boundary wetting</subject><subject>KINETICS</subject><subject>LAYERS</subject><subject>Liquid gallium</subject><subject>Liquid metal embrittlement</subject><subject>LIQUID METALS</subject><subject>MATERIALS SCIENCE</subject><subject>MICRORADIOGRAPHY</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>STRESSES</subject><subject>SYNCHROTRON RADIATION</subject><subject>Synchrotron radiation X-ray microradiography</subject><subject>X RADIATION</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkctu1TAQhiMEEqXwCEiWEOyS-hbHh01VVVAqVWIDa8uZTA4-SuxT22nVF-C5cZSDEKuuPBp__9z-qnrPaMMoUxeHxkK2s80Np1Q2dNdQxl9UZ0x3ouayFS9LLNpdrWQrX1dvUjrQQnSSnlW_bz1JLi_E-QdM2e1tdsGTMJLJ3S9uIDeWHNFjjtuH8-RqIr2D-JSyncg-2pLqw-IHGx2mz_9nnsgj5uz8noT4t-KMqxDnPrqcJ5zR58u31avRTgnfnd7z6ufXLz-uv9V3329ur6_uapCK53rosde6B1BM98xqBlJypqUeaa9HaCkTY49iJ5Qooe0U6_SgOBVWUlBgxXn1Yasbyq4mgcsIvyB4j5ANp0p0jLFCfdqoYwz3SzmLmV0CnCbrMSzJcN22lCtawHYDIYaUIo7mGN1c1jaMmtUbczAnb8zqjaE7Uy5fdB9PDWwCO43RenDpn1gJprnWhbvcOCw3eXAY15HRAw4urhMPwT3T6Q_fZ6k8</recordid><startdate>20050103</startdate><enddate>20050103</enddate><creator>Ludwig, W.</creator><creator>Pereiro-López, E.</creator><creator>Bellet, D.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20050103</creationdate><title>In situ investigation of liquid Ga penetration in Al bicrystal grain boundaries: grain boundary wetting or liquid metal embrittlement?</title><author>Ludwig, W. ; Pereiro-López, E. ; Bellet, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c462t-dbeb88bcc618b1a81c4421848f0b8fc5013fbe39363013a76178d6203a40c6ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>BICRYSTALS</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>EMBRITTLEMENT</topic><topic>Exact sciences and technology</topic><topic>GALLIUM</topic><topic>GRAIN BOUNDARIES</topic><topic>Grain boundary penetration</topic><topic>Grain boundary wetting</topic><topic>KINETICS</topic><topic>LAYERS</topic><topic>Liquid gallium</topic><topic>Liquid metal embrittlement</topic><topic>LIQUID METALS</topic><topic>MATERIALS SCIENCE</topic><topic>MICRORADIOGRAPHY</topic><topic>Other topics in materials science</topic><topic>Physics</topic><topic>STRESSES</topic><topic>SYNCHROTRON RADIATION</topic><topic>Synchrotron radiation X-ray microradiography</topic><topic>X RADIATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ludwig, W.</creatorcontrib><creatorcontrib>Pereiro-López, E.</creatorcontrib><creatorcontrib>Bellet, D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry 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><collection>OSTI.GOV</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ludwig, W.</au><au>Pereiro-López, E.</au><au>Bellet, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In situ investigation of liquid Ga penetration in Al bicrystal grain boundaries: grain boundary wetting or liquid metal embrittlement?</atitle><jtitle>Acta materialia</jtitle><date>2005-01-03</date><risdate>2005</risdate><volume>53</volume><issue>1</issue><spage>151</spage><epage>162</epage><pages>151-162</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>The phenomenon of grain boundary penetration (GBP) of liquid Ga along grain boundaries (GB) of Al bicrystals is investigated by synchrotron radiation X-ray microradiography. 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| identifier | ISSN: 1359-6454 |
| ispartof | Acta materialia, 2005-01, Vol.53 (1), p.151-162 |
| issn | 1359-6454 1873-2453 |
| language | eng |
| recordid | cdi_osti_scitechconnect_20637111 |
| source | Elsevier ScienceDirect Journals |
| subjects | BICRYSTALS Cross-disciplinary physics: materials science rheology EMBRITTLEMENT Exact sciences and technology GALLIUM GRAIN BOUNDARIES Grain boundary penetration Grain boundary wetting KINETICS LAYERS Liquid gallium Liquid metal embrittlement LIQUID METALS MATERIALS SCIENCE MICRORADIOGRAPHY Other topics in materials science Physics STRESSES SYNCHROTRON RADIATION Synchrotron radiation X-ray microradiography X RADIATION |
| title | In situ investigation of liquid Ga penetration in Al bicrystal grain boundaries: grain boundary wetting or liquid metal embrittlement? |
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