CAJ | 학술논문

采用场发射扫描电镜和能谱仪对杂质含量高、硬度大的边皮海绵钛颗粒和普通海绵钛颗粒表面及内部杂质的分布进行了研究。研究发现，海绵钛中的杂质不仅具有钛坨中心部位杂质含量低周边杂质含量较高的宏观分布规律，而且具有杂质成团聚集在海绵钛颗粒表面的微观结构特征。采用化学溶解法可以显著降低海绵钛的杂质含量和布氏硬度。
채용장발사소묘전경화능보의대잡질함량고、경도대적변피해면태과립화보통해면태과립표면급내부잡질적분포진행료연구。연구발현，해면태중적잡질불부구유태타중심부위잡질함량저주변잡질함량교고적굉관분포규률，이차구유잡질성단취집재해면태과립표면적미관결구특정。채용화학용해법가이현저강저해면태적잡질함량화포씨경도。
The distribution of impurities in the inner and the outside of titanium sponge particles was studied with field emission scanning electron microscopy(FESEM) and energy dispersive spectrometer(EDS).The results show that not only impurities content in the central part of the whole titanium sponge is lower than that in the circular edged titanium sponge but also the impurities agglomerating on the surface of titanium sponge particles .The impurities agglomerating on the surface can be easily dissolved by dilute hydrochloric acid , which will make impurities content and Brinell hard-ness(HB)of the titanium sponge decreased obviously .