Light rare earth magnesium alloy and preparation method therefor
The invention provides a light rare earth magnesium alloy. The light rare earth magnesium alloy is prepared from the following components in weight percentage: 1.0-3.9 wt% of Sm, 0-1.6 wt% of La and/or Ce, 0.4-1.6 wt% of Zn, 0.3-1.2 wt% of Zr and the balance Mg. According to the light rare earth mag...
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| creator | NIU XIAODONG GUAN KAI LYU SHUHUI YANG QIANG LI BAISHUN MENG JIAN MENG FANZHI QIU XIN ZHANG DONGDONG |
| description | The invention provides a light rare earth magnesium alloy. The light rare earth magnesium alloy is prepared from the following components in weight percentage: 1.0-3.9 wt% of Sm, 0-1.6 wt% of La and/or Ce, 0.4-1.6 wt% of Zn, 0.3-1.2 wt% of Zr and the balance Mg. According to the light rare earth magnesium alloy, an Mg-Sm-Zn-Zr alloy is modified by utilizing a light rare earth element(s) La/Ce relatively low in electronegativity, and as electronegative difference between La/Ce and Mg is relatively big, a stable Mg12RE(La/Ce) intermetallic compound can be more liable to form; and the alloy strength is further increased through second-phase strengthening. The invention further provides a preparation method for the light rare earth magnesium alloy.
本发明提供一种轻稀土镁合金，成分为：1.0～3.9wt％Sm；0～1.6wt％La和/或Ce；0.4～1.6wt％Zn；0.3～1.2wt％Zr；余量为Mg。本发明利用电负性较小的轻稀土元素La/Ce对Mg-Sm-Zn-Zr合金进行改性，La/Ce与Mg的电负性差值较大，更容易形成稳定的MgRE(La/Ce)金属间化合物，通过第二相强化进一步提高合金强度。本发明还提供一种轻稀土镁合金的制备方法。 |
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本发明提供一种轻稀土镁合金，成分为：1.0～3.9wt％Sm；0～1.6wt％La和/或Ce；0.4～1.6wt％Zn；0.3～1.2wt％Zr；余量为Mg。本发明利用电负性较小的轻稀土元素La/Ce对Mg-Sm-Zn-Zr合金进行改性，La/Ce与Mg的电负性差值较大，更容易形成稳定的MgRE(La/Ce)金属间化合物，通过第二相强化进一步提高合金强度。本发明还提供一种轻稀土镁合金的制备方法。</description><language>chi ; eng</language><subject>ALLOYS ; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190927&DB=EPODOC&CC=CN&NR=110284036A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190927&DB=EPODOC&CC=CN&NR=110284036A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NIU XIAODONG</creatorcontrib><creatorcontrib>GUAN KAI</creatorcontrib><creatorcontrib>LYU SHUHUI</creatorcontrib><creatorcontrib>YANG QIANG</creatorcontrib><creatorcontrib>LI BAISHUN</creatorcontrib><creatorcontrib>MENG JIAN</creatorcontrib><creatorcontrib>MENG FANZHI</creatorcontrib><creatorcontrib>QIU XIN</creatorcontrib><creatorcontrib>ZHANG DONGDONG</creatorcontrib><title>Light rare earth magnesium alloy and preparation method therefor</title><description>The invention provides a light rare earth magnesium alloy. The light rare earth magnesium alloy is prepared from the following components in weight percentage: 1.0-3.9 wt% of Sm, 0-1.6 wt% of La and/or Ce, 0.4-1.6 wt% of Zn, 0.3-1.2 wt% of Zr and the balance Mg. According to the light rare earth magnesium alloy, an Mg-Sm-Zn-Zr alloy is modified by utilizing a light rare earth element(s) La/Ce relatively low in electronegativity, and as electronegative difference between La/Ce and Mg is relatively big, a stable Mg12RE(La/Ce) intermetallic compound can be more liable to form; and the alloy strength is further increased through second-phase strengthening. The invention further provides a preparation method for the light rare earth magnesium alloy.
本发明提供一种轻稀土镁合金，成分为：1.0～3.9wt％Sm；0～1.6wt％La和/或Ce；0.4～1.6wt％Zn；0.3～1.2wt％Zr；余量为Mg。本发明利用电负性较小的轻稀土元素La/Ce对Mg-Sm-Zn-Zr合金进行改性，La/Ce与Mg的电负性差值较大，更容易形成稳定的MgRE(La/Ce)金属间化合物，通过第二相强化进一步提高合金强度。本发明还提供一种轻稀土镁合金的制备方法。</description><subject>ALLOYS</subject><subject>CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyj0KwkAQBtBtLES9w3iAQGJEUhqCYiFW9mEwX7IL-8fsWHh7Gw9g9Zq3Nue7W6ySsIDAopYCLxHFvQOx9-lDHCfKgszC6lKkALVpIrUQzEm2ZjWzL9j93Jj99fIcbhVyGlEyvxCh4_BomvrQHev21Lf_nC_V7zFu</recordid><startdate>20190927</startdate><enddate>20190927</enddate><creator>NIU XIAODONG</creator><creator>GUAN KAI</creator><creator>LYU SHUHUI</creator><creator>YANG QIANG</creator><creator>LI BAISHUN</creator><creator>MENG JIAN</creator><creator>MENG FANZHI</creator><creator>QIU XIN</creator><creator>ZHANG DONGDONG</creator><scope>EVB</scope></search><sort><creationdate>20190927</creationdate><title>Light rare earth magnesium alloy and preparation method therefor</title><author>NIU XIAODONG ; GUAN KAI ; LYU SHUHUI ; YANG QIANG ; LI BAISHUN ; MENG JIAN ; MENG FANZHI ; QIU XIN ; ZHANG DONGDONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN110284036A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>ALLOYS</topic><topic>CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>NIU XIAODONG</creatorcontrib><creatorcontrib>GUAN KAI</creatorcontrib><creatorcontrib>LYU SHUHUI</creatorcontrib><creatorcontrib>YANG QIANG</creatorcontrib><creatorcontrib>LI BAISHUN</creatorcontrib><creatorcontrib>MENG JIAN</creatorcontrib><creatorcontrib>MENG FANZHI</creatorcontrib><creatorcontrib>QIU XIN</creatorcontrib><creatorcontrib>ZHANG DONGDONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NIU XIAODONG</au><au>GUAN KAI</au><au>LYU SHUHUI</au><au>YANG QIANG</au><au>LI BAISHUN</au><au>MENG JIAN</au><au>MENG FANZHI</au><au>QIU XIN</au><au>ZHANG DONGDONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Light rare earth magnesium alloy and preparation method therefor</title><date>2019-09-27</date><risdate>2019</risdate><abstract>The invention provides a light rare earth magnesium alloy. The light rare earth magnesium alloy is prepared from the following components in weight percentage: 1.0-3.9 wt% of Sm, 0-1.6 wt% of La and/or Ce, 0.4-1.6 wt% of Zn, 0.3-1.2 wt% of Zr and the balance Mg. According to the light rare earth magnesium alloy, an Mg-Sm-Zn-Zr alloy is modified by utilizing a light rare earth element(s) La/Ce relatively low in electronegativity, and as electronegative difference between La/Ce and Mg is relatively big, a stable Mg12RE(La/Ce) intermetallic compound can be more liable to form; and the alloy strength is further increased through second-phase strengthening. The invention further provides a preparation method for the light rare earth magnesium alloy.
本发明提供一种轻稀土镁合金，成分为：1.0～3.9wt％Sm；0～1.6wt％La和/或Ce；0.4～1.6wt％Zn；0.3～1.2wt％Zr；余量为Mg。本发明利用电负性较小的轻稀土元素La/Ce对Mg-Sm-Zn-Zr合金进行改性，La/Ce与Mg的电负性差值较大，更容易形成稳定的MgRE(La/Ce)金属间化合物，通过第二相强化进一步提高合金强度。本发明还提供一种轻稀土镁合金的制备方法。</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Light rare earth magnesium alloy and preparation method therefor |
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