Formation of an Icosahedral Quasicrystalline Phase in Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) Alloys
An icosahedral (I) phase was found to be formed as a metastable phase in the crystallization process of amorphous Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) alloys. The three amorphous alloys show an endothermic reaction due to the glass transition, followed by two exothermic peaks. The first exothermic...
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| Veröffentlicht in: | Materials Transactions, JIM JIM, 2000, Vol.41(2), pp.362-365 |
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| container_title | Materials Transactions, JIM |
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| creator | Inoue, Akihisa Saida, Junji Matsushita, Mitsuhide Sakurai, Toshio |
| description | An icosahedral (I) phase was found to be formed as a metastable phase in the crystallization process of amorphous Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) alloys. The three amorphous alloys show an endothermic reaction due to the glass transition, followed by two exothermic peaks. The first exothermic peak is due to the precipitation of an I-phase and the second one results from the transition from the I to crystalline mixed phases of Zr4Al3+Zr2Ni+Zr2Pd (Zr2Au or ZrPt). The I-phase consists of fine grains with a size of about 10 nm and no distinct residual amorphous phase is seen. The formation of the I-phase in the new Zr-based alloy systems with a large supercooled liquid region and high glass-forming ability is important for the future development of bulk quasicrystalline alloys as basic science and engineering materials. |
| doi_str_mv | 10.2320/matertrans1989.41.362 |
| format | Article |
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The three amorphous alloys show an endothermic reaction due to the glass transition, followed by two exothermic peaks. The first exothermic peak is due to the precipitation of an I-phase and the second one results from the transition from the I to crystalline mixed phases of Zr4Al3+Zr2Ni+Zr2Pd (Zr2Au or ZrPt). The I-phase consists of fine grains with a size of about 10 nm and no distinct residual amorphous phase is seen. The formation of the I-phase in the new Zr-based alloy systems with a large supercooled liquid region and high glass-forming ability is important for the future development of bulk quasicrystalline alloys as basic science and engineering materials.</description><identifier>ISSN: 0916-1821</identifier><identifier>EISSN: 2432-471X</identifier><identifier>DOI: 10.2320/matertrans1989.41.362</identifier><language>eng</language><publisher>Sendai: The Japan Institute of Metals</publisher><subject>Applied sciences ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; glass transition ; Materials science ; Metals, semimetals and alloys ; Metals. Metallurgy ; metastable icosahedral phase ; nanograin structure ; Physics ; Specific materials ; two-stage crystallization ; zirconium-based quasicrystalline alloy</subject><ispartof>Materials Transactions, JIM, 2000, Vol.41(2), pp.362-365</ispartof><rights>The Japan Institute of Metals</rights><rights>2000 INIST-CNRS</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c539t-3a6ac953fceff21fa203d9ae2c476745e0e10952ce37868b76445732d097b1d3</citedby><cites>FETCH-LOGICAL-c539t-3a6ac953fceff21fa203d9ae2c476745e0e10952ce37868b76445732d097b1d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1319204$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Inoue, Akihisa</creatorcontrib><creatorcontrib>Saida, Junji</creatorcontrib><creatorcontrib>Matsushita, Mitsuhide</creatorcontrib><creatorcontrib>Sakurai, Toshio</creatorcontrib><title>Formation of an Icosahedral Quasicrystalline Phase in Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) Alloys</title><title>Materials Transactions, JIM</title><addtitle>Mater. Trans., JIM</addtitle><description>An icosahedral (I) phase was found to be formed as a metastable phase in the crystallization process of amorphous Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) alloys. The three amorphous alloys show an endothermic reaction due to the glass transition, followed by two exothermic peaks. The first exothermic peak is due to the precipitation of an I-phase and the second one results from the transition from the I to crystalline mixed phases of Zr4Al3+Zr2Ni+Zr2Pd (Zr2Au or ZrPt). The I-phase consists of fine grains with a size of about 10 nm and no distinct residual amorphous phase is seen. The formation of the I-phase in the new Zr-based alloy systems with a large supercooled liquid region and high glass-forming ability is important for the future development of bulk quasicrystalline alloys as basic science and engineering materials.</description><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>glass transition</subject><subject>Materials science</subject><subject>Metals, semimetals and alloys</subject><subject>Metals. Metallurgy</subject><subject>metastable icosahedral phase</subject><subject>nanograin structure</subject><subject>Physics</subject><subject>Specific materials</subject><subject>two-stage crystallization</subject><subject>zirconium-based quasicrystalline alloy</subject><issn>0916-1821</issn><issn>2432-471X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNptkE1Lw0AQhhdRsFZ_grAHDwom7lc22YOHUKxWWq3Qg3gJ083GpmyTspse-u9diVQELzMD78fAg9AlJTHjjNxtoDOuc9B4qjIVCxpzyY7QgAnOIpHS92M0IIrKiGaMnqIz79eEyOAVA7Qcty7k67bBbYWhwRPdeliZ0oHFbzvwtXZ734G1dWPwfAXe4LrBH04muU3j5KWmZEbDga9n-B7Py1uc73Dr8Ly7wbm17d6fo5MKrDcXP3uIFuOHxegpmr4-Tkb5NNIJV13EQYJWCa-0qSpGK2CElwoM0yKVqUgMMZSohGnD00xmy1QKkaSclUSlS1ryIUr6Wu1a752piq2rN-D2BSXFN6fiL6dC0CJwCrmrPrcFr8FWQde1_w1zqhgRwfbc29aBxqc56OC6WlvzTznrR_hxMOkVuMI0_AseBoOm</recordid><startdate>2000</startdate><enddate>2000</enddate><creator>Inoue, Akihisa</creator><creator>Saida, Junji</creator><creator>Matsushita, Mitsuhide</creator><creator>Sakurai, Toshio</creator><general>The Japan Institute of Metals</general><general>Japan Institute of Metals</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2000</creationdate><title>Formation of an Icosahedral Quasicrystalline Phase in Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) Alloys</title><author>Inoue, Akihisa ; Saida, Junji ; Matsushita, Mitsuhide ; Sakurai, Toshio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c539t-3a6ac953fceff21fa203d9ae2c476745e0e10952ce37868b76445732d097b1d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>glass transition</topic><topic>Materials science</topic><topic>Metals, semimetals and alloys</topic><topic>Metals. Metallurgy</topic><topic>metastable icosahedral phase</topic><topic>nanograin structure</topic><topic>Physics</topic><topic>Specific materials</topic><topic>two-stage crystallization</topic><topic>zirconium-based quasicrystalline alloy</topic><toplevel>online_resources</toplevel><creatorcontrib>Inoue, Akihisa</creatorcontrib><creatorcontrib>Saida, Junji</creatorcontrib><creatorcontrib>Matsushita, Mitsuhide</creatorcontrib><creatorcontrib>Sakurai, Toshio</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Materials Transactions, JIM</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Inoue, Akihisa</au><au>Saida, Junji</au><au>Matsushita, Mitsuhide</au><au>Sakurai, Toshio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of an Icosahedral Quasicrystalline Phase in Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) Alloys</atitle><jtitle>Materials Transactions, JIM</jtitle><addtitle>Mater. Trans., JIM</addtitle><date>2000</date><risdate>2000</risdate><volume>41</volume><issue>2</issue><spage>362</spage><epage>365</epage><pages>362-365</pages><issn>0916-1821</issn><eissn>2432-471X</eissn><abstract>An icosahedral (I) phase was found to be formed as a metastable phase in the crystallization process of amorphous Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) alloys. The three amorphous alloys show an endothermic reaction due to the glass transition, followed by two exothermic peaks. The first exothermic peak is due to the precipitation of an I-phase and the second one results from the transition from the I to crystalline mixed phases of Zr4Al3+Zr2Ni+Zr2Pd (Zr2Au or ZrPt). The I-phase consists of fine grains with a size of about 10 nm and no distinct residual amorphous phase is seen. The formation of the I-phase in the new Zr-based alloy systems with a large supercooled liquid region and high glass-forming ability is important for the future development of bulk quasicrystalline alloys as basic science and engineering materials.</abstract><cop>Sendai</cop><pub>The Japan Institute of Metals</pub><doi>10.2320/matertrans1989.41.362</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Materials Transactions, JIM, 2000, Vol.41(2), pp.362-365 |
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| source | J-STAGE (Free - Japanese) |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology glass transition Materials science Metals, semimetals and alloys Metals. Metallurgy metastable icosahedral phase nanograin structure Physics Specific materials two-stage crystallization zirconium-based quasicrystalline alloy |
| title | Formation of an Icosahedral Quasicrystalline Phase in Zr65Al7.5Ni10M17.5 (M = Pd, Au or Pt) Alloys |
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