文章信息/Info

Title:

Research Review of Space Holders of Sintered Titanium Foams with Large Pores and High Porosity

作者:

肖健1;  邱貴寶2

1.江西理工大學材料科學與工程學院，江西 贛州 341000 ?2.重慶大學材料科學與工程學院，重慶 400044

Author(s):

XIAO Jian1;  QIU Guibao2

1.School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China ?2. College of Materials Science & Engineering, Chongqing University, Chongqing 400044, China

關(guān)鍵詞:

多孔材料; 泡沫金屬; 鈦合金; 粉末冶金; 造孔劑

Keywords:

porous material;  metal foam;  titanium alloy;  powder metallurgy;  space holder

DOI:

10.7502/j.issn.1674-3962.2018.05.07

文獻標志碼:

A

摘要:

大孔徑高孔隙率燒結(jié)泡沫鈦具有傳統(tǒng)松裝燒結(jié)多孔鈦不可比擬的新奇物理化學性能，在航空航天、生物醫(yī)學、新能源汽車和環(huán)境保護等領(lǐng)域有著廣闊的應用前景。在作者及團隊研究工作的基礎(chǔ)上，對國內(nèi)外用于制備大孔徑高孔隙率泡沫鈦材料的造孔劑進行了述評。總結(jié)了造孔劑的種類并根據(jù)它們的屬性進行了分類，分析相關(guān)文獻，篩選出了使用最為廣泛的尿素、碳酸氫銨和氯化鈉3種造孔劑，并重點介紹了它們的特性、脫除過程和制備的泡沫鈦的結(jié)構(gòu)特征，通過比較指出了造孔劑的發(fā)展趨勢。

Abstract:

Because of their novel physical and chemical properties when compared with conventional loose sintered porous titanium, titanium foams with large pores and high porosity are attractive in fields of aerospace, biomedicine, new energy automobile and environmental protection. On the basis of the writer�餾 research, this paper gives a review on space holders in preparation of titanium foams. First of all, the category of space holders was summarized and classified in accordance with their attributes. Then the most extensive kinds of space holders: carbamide, NH4HCO3 and NaCl, were sieved from analyzing literatures and their speciality, removal process and structure features of obtained titanium foams were emphatically introduced. Finally the future development trends of space holders were pointed out.