1988年1月
窒化物系セラミックスの歯科鋳造への応用 第1報 金銀パラジウム合金に対するコーティング材としての可能性
日本補綴歯科学会雑誌
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- 巻
- 32
- 号
- 1
- 開始ページ
- 43
- 終了ページ
- 51
- 記述言語
- 日本語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.2186/jjps.32.43
- 出版者・発行元
- 社団法人日本補綴歯科学会
Nitrides used in this experiment are BN, A IN and Si_3N_4. First, we studied wettability between nitrides and molten Au-Au-Pd alloy (comrosition Au : 12 wt%, Ag : 45 wt%, Cu :18 wt%, Pd : 20 wt%, Bal. : 5 wt% ; melting point : 930℃). Secondly, we studied feasibility of nitrides as coating materials for wax patterns, that is, Au-Ag-Pd alloy was cast after painting wax patterns with coating material of nitrides. The temperature of mold was 700℃, and an argon arc vacuum-pressure casting machine was used. Surfaces of casted material were investigated using a scanning electron microscope, X-ray diffractometer and surface roughness analyzer. Results were summarized as follows ; 1. The nitrides little wetted molten Au-Ag-Pd alloy. 2. The color of the cast surface coated BN was purple with a dash of red, and this was derived from Cu_2O. 3. The dense coating layer of BN inhibited formation of CuO on the cast surface and reduced the surface roughness of the cast. 4. The cast surface coated the nitrides had less clinging than uncoated one, and this indicated that its cleansability was improved.
- リンク情報
- ID情報
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- DOI : 10.2186/jjps.32.43
- ISSN : 0389-5386
- CiNii Articles ID : 110003855668
- CiNii Books ID : AN00197911