《Table 1 XRD peak position before and after milling》

《Table 1 XRD peak position before and after milling》   提示:宽带有限、当前游客访问压缩模式
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《纳米晶Al-10Fe-5Cr块体合金的热稳定性(英文)》


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TheXRDpatternsoftheas-mixedand mechanically alloyed powders(after 100 h of milling)are shown in Fig.2.The major peaks detected were observed with be associated to the diffraction peaks of Al.However,the major diffraction peaks of Fe(110)and Cr(110)were not observed in the XRD profiles probably due to their overlapping with Al(200).Al peaks was observed to shift to a higher 2θangles in the milled powder when being compared to the as-mixed powder.The observed 2θpeak shift shown in Table 1 can be associated to the dissolution of the alloying elements Fe and Cr to form Al based supersaturated solid solution(SSSS).In addition to the peak shift,a considerable decrease in the peak intensities along with broadening of the peaks was also observed in the XRD peak profile of the alloyed powder.These observations imply that the MA of the powders resulted in refining the structure and increasing the lattice strain.