Synthesis of nano-bubble dispersion strengthened (N-BDS) metal by PMMA dissociated polymer gases
Synthesis of nano-bubble dispersion strengthened (N-BDS) metal by PMMA dissociated polymer gases
复制标题
DOI：
10.1016/j.msea.2013.06.049
复制
发表时间：
2013-10
期刊：
影响因子：
6.4
通讯作者：
N. Oono;Ryohei Kawano;S. Shi;S. Ukai;S. Hayashi
中科院分区：
文献类型：
--
作者：
N. Oono;Ryohei Kawano;S. Shi;S. Ukai;S. Hayashi
利用聚合物的离解气体，在Fe块体金属中均匀致密地分散了尺寸小于20 nm的纳米气泡。这些气泡强化了材料，其效果与氧化物弥散强化合金相同。气泡的位错钉扎效应使Fe的维氏硬度提高到500 MPa。
Nano-sized bubbles with the size less than 20 nm are dispersed densely and homogeneously in Fe bulk metal by means of dissociated gases of polymer. These bubbles strengthened the material with the same effect as oxide-dispersion strengthened alloys. The dislocation pinning effect of the bubbles increased Vickers' hardness to 500 MPa as compared with that of pure Fe.