Additive manufacturing of zirconia parts by indirect selective laser sintering

被引：195

作者：

Shahzad, Khuram ^{[1
]}

Deckers, Jan ^{[2
]}

Zhang, Zhongying ^{[1
]}

Kruth, Jean-Pierre ^{[2
]}

Vleugels, Jef ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Dept Met & Mat Engn MTM, B-3001 Heverlee, Belgium

[2] Katholieke Univ Leuven, Dept Mech Engn, Div PMA, B-3001 Heverlee, Belgium

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2014年 / 34卷 / 01期

关键词：

Additive manufacturing; Indirect selective laser sintering; Zirconia; Polymer/ceramic rnicrospheres; ALUMINA;

D O I：

10.1016/j.jeurceramsoc.2013.07.023

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Thermally induced phase separation (TIPS) was used to produce spherical polypropylene zirconia composite powder for selective laser sintering (SLS). The influence of the composition of the composite starting powder and the SLS parameters on the density and strength of the composite SLS parts was investigated, allowing realizing SLS parts with a relative density of 36%. Pressure infiltration (PI) and warm isostatic pressing (WIPing) were applied to increase the green density of the ZrO2-PP SLSed parts. Infiltrating the SLS parts with an aqueous 30 vol.% ZrO2 suspension allowed to increase the sintered density from 32 to 54%. WIPing (135 C and 64 MPa) of the SLS and SLS/infiltrated complex shape green polymer ceramic composite parts prior to debinding and sintering allowed raising the sintered density of the 3 mol Y2O3 stabilized ZrO2 parts to 92 and 85%, respectively. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：87 / 95

页数：9

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