無毒性非氧化物添加劑的Si<sub>3</sub>N<sub>4</sub>陶瓷的顯微組織

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無毒性非氧化物添加劑的Si₃N₄陶瓷的顯微組織

袁逸, 葛昌純, 陳利民, 馮惠平

文章導航 > 工程科學學報 > 1991 > 13(S2): 70-74

袁逸, 葛昌純, 陳利民, 馮惠平. 無毒性非氧化物添加劑的Si3N4陶瓷的顯微組織[J]. 工程科學學報, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

引用本文:

袁逸, 葛昌純, 陳利民, 馮惠平. 無毒性非氧化物添加劑的Si₃N₄陶瓷的顯微組織[J]. 工程科學學報, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

Yuan Yi, Ge Changchun, Chen Limin, Feng Huiping. Microstructure of Si3N4 with Non-Toxic, Non-Oxide Additives[J]. Chinese Journal of Engineering, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

Citation:

Yuan Yi, Ge Changchun, Chen Limin, Feng Huiping. Microstructure of Si₃N₄ with Non-Toxic, Non-Oxide Additives[J]. Chinese Journal of Engineering, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

袁逸, 葛昌純, 陳利民, 馮惠平. 無毒性非氧化物添加劑的Si3N4陶瓷的顯微組織[J]. 工程科學學報, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

引用本文:

袁逸, 葛昌純, 陳利民, 馮惠平. 無毒性非氧化物添加劑的Si₃N₄陶瓷的顯微組織[J]. 工程科學學報, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

Yuan Yi, Ge Changchun, Chen Limin, Feng Huiping. Microstructure of Si3N4 with Non-Toxic, Non-Oxide Additives[J]. Chinese Journal of Engineering, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

Citation:

Yuan Yi, Ge Changchun, Chen Limin, Feng Huiping. Microstructure of Si₃N₄ with Non-Toxic, Non-Oxide Additives[J]. Chinese Journal of Engineering, 1991, 13(S2): 70-74. doi: 10.13374/j.issn1001-053x.1991.s2.013

無毒性非氧化物添加劑的Si₃N₄陶瓷的顯微組織

doi: 10.13374/j.issn1001-053x.1991.s2.013

1. 材料科學與工程系;
2. 特種陶瓷粉末冶金研究室

計量
- 文章訪問數: 222
- HTML全文瀏覽量: 73
- PDF下載量: 5
- 被引次數: 0
出版歷程
- 收稿日期: 1992-01-04
- 網絡出版日期: 2021-10-26

Microstructure of Si₃N₄ with Non-Toxic, Non-Oxide Additives

1. Department of Material Science and Engineering;
2. Laboratory of Special Ceramics and Powder Metallurgy

摘要: 采用ZrN作為添加劑熱壓燒結的Si₃N₄陶瓷材材料進行了透射電子顯微鏡觀察和能譜EDS分析。觀察結果表明:燒結的陶瓷中由于晶界殘留的玻璃相數量較少,主要分布在三晶粒間界處,從而顯著改善了Si₃N₄材料的高溫性能;在這種材料中有許多彌散分布的ZrN相存在,可阻礙裂紋擴展,也起著提高Si₃N₄材料的強度和韌性的作用;用高分辨電子顯微術觀察到α’-Si₃N₄晶粒中存在不同的超結構。
- 氮化硅 /
- 顯微結構 /
- 晶界
Abstract: The microstructure of Si₃N₄ with non-toxic, non-oxide additive consisting of ZrN and A1N was examined by TEM and EDS. Minor intergranular glassy phase is observed at few triple regions, but is not found in most of grain boundaries in this new Si₃N₄-based ceramics. The superior HT properties are attributed to the significantly reduced amount of intergranular glassy phase and increase of its softening temperature. Many ZrN particles dispersed in matrix and secondary crystalline phase distributed in triple regions of grain boundaries are observed. Superior mechanical properties are closely related to the micro-structure features. In addition, different superstructures in α'-Si₃N₄ are found by lattice imaging.
- silicon nitride /
- microstructure /
- grain boundary

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文章訪問數: 222
HTML全文瀏覽量: 73
PDF下載量: 5
被引次數: 0

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