Maintaining High Strength in Mg-LPSO Alloys with Low Yttrium Content Using Severe Plastic Deformation.
Maintaining High Strength in Mg-LPSO Alloys with Low Yttrium Content Using Severe Plastic Deformation.
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DOI:
10.3390/ma11050733
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发表时间:
2018-05-05
期刊:
影响因子:
--
通讯作者:
Adeva P
中科院分区:
文献类型:
--
作者:
Garces G;Cabeza S;Barea R;Pérez P;Adeva P
Alternative processing routes such as powder metallurgy, the extrusion of recycled chips, or equal channel angular pressing (ECAP) have been considered for effective methods of maintaining the high mechanical strength of Mg-Y-Zn alloys containing long-period stacking ordered structures with respect to the alloy processed by the conventional extrusion of as-cast ingots with the advantage of minimizing the yttrium content. A yield stress similar to that found for extruded Mg97Y2Zn1 alloy can be attained with only half of the usual yttrium and zinc additions thanks to the grain refinement induced by ECAP processing. The properties of Mg98.5Y1Zn0.5 subjected to ECAP are maintained up to 200 °C, but superplastic behavior is found above this temperature when the alloy is processed through a powder metallurgy route.
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影响因子:
6
作者:
Onorbe, E.;Garces, G.;Adeva, P.
通讯作者:
Adeva, P.
DOI:
10.1016/j.msea.2014.07.012
发表时间:
2014-09-22
影响因子:
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