KR960040381A - Manufacturing method of dental alloy - Google Patents

Manufacturing method of dental alloy Download PDF

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Publication number
KR960040381A
KR960040381A KR1019950011515A KR19950011515A KR960040381A KR 960040381 A KR960040381 A KR 960040381A KR 1019950011515 A KR1019950011515 A KR 1019950011515A KR 19950011515 A KR19950011515 A KR 19950011515A KR 960040381 A KR960040381 A KR 960040381A
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South Korea
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weight
gold alloy
manufacturing
vacuum
porcelain
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KR1019950011515A
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Korean (ko)
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이명범
김명호
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이명범
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Priority to KR1019950011515A priority Critical patent/KR960040381A/en
Publication of KR960040381A publication Critical patent/KR960040381A/en

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Abstract

치과주조용 금합금의 제조방법에 있어서, Au 75∼90중량%, Ag 0.3∼1중량%, Pt 7∼11중량%, Pd 10중량% 이하, Cu 1중량이하, In 3중량% 이하로 이루어지고, 기타 미량의 흔적원소(TRACE ELEMENT)로 이루어진 합금재료를 준비하는 단계; 400∼500℃에서 예열된몰드에 소정조건하에 진공에서 용해시킨 용탕을 1500∼2000℃에서 60∼90초동안 가열시킨 후, 재차 오버히팅하고, 진공상태하에서 15∼25분정도냉각시키며, 다시 대기중에서 5∼15분간 냉각 시키는 공정을 포함하는 주조하는 단계; 및 압하율 0.3∼0.05㎜/패스(pass)하에 냉각압연하는 단계로 구성되는 것을 특징으로 하는 포세린에 사용하는 치과주조용 금합금의 제조방법에 관한 것이다.In the method of manufacturing a gold alloy for dental casting, it is composed of 75 to 90% by weight of Au, 0.3 to 1% by weight of Ag, 7 to 11% by weight of Pt, 10% by weight of Pd, 1% by weight of Cu, 3% by weight of In Preparing an alloying material made of other trace elements; The molten metal melted in a vacuum under predetermined conditions in a mold preheated at 400 to 500 ° C. was heated for 60 to 90 seconds at 1500 to 2000 ° C., then overheated again, cooled for about 15 to 25 minutes under vacuum, and then waited again. Casting in the process of cooling for 5 to 15 minutes; And a step of cold rolling at a reduction ratio of 0.3 to 0.05 mm / pass. The present invention relates to a method for manufacturing a dental casting gold alloy for use in porcelain.

본 발명의 제조방법에 치과주조용 금합금은 불순물이 거의 없고, 내부식성이 강한 잇점이 있다.In the manufacturing method of the present invention, the gold alloy for dental casting is almost free of impurities and has a strong corrosion resistance.

Description

치과주조용 금합금의 제조방법Manufacturing method of dental alloy

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (12)

치과주조용 금합금의 제조 방법에 있어서, Au 75∼90중량%, Ag 0.3∼1중량%, Pt 7∼11중량%, Pd 10중량% 이하, Cu 1중량% 이하, In 3중량% 이하로 이루어지고 기타 미량의 흔적원소(TRACE ELEMENT)로 이루어진 합금재료를 준비하는 단계; 400∼500℃에서 예열된 도가니몰드에 소정조건하의 진공에서 용해시킨 용탕을 1500∼2000℃에서 60∼90초동안 가열시킨 후, 재차 오보히팅 하고, 진공상태하에서 15∼25분 정도 냉각시키며, 다시 대기 중에서 5∼15분간 냉각시키는 공정을 포함하는 주조하는 단계; 및 압하율 0.3∼0.5㎜/패스(pass)하에 냉각압연하는 단계로 구성되는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.In the method of manufacturing a gold alloy for dental casting, it is composed of 75 to 90% by weight of Au, 0.3 to 1% by weight of Ag, 7 to 11% by weight of Pt, 10% by weight of Pd or less, 1% by weight or less of Cu and 3% by weight of In. Preparing an alloying material consisting of a trace element other trace elements; The molten metal melted in a crucible mold preheated at 400 to 500 ° C. under a predetermined condition was heated at 1500 to 2000 ° C. for 60 to 90 seconds, then overheated again, and then cooled under vacuum for about 15 to 25 minutes. Casting, including cooling for 5 to 15 minutes in the atmosphere; And cold rolling at a reduction ratio of 0.3 to 0.5 mm / pass. 제1항에 있어서, 상기 소정조건의 진공상태는 진공도10-3토르(torr)에서 진행되는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.The method of claim 1, wherein the vacuum condition of the predetermined condition is a manufacturing method of the gold alloy for dental casting used in porcelain, characterized in that the progress in the vacuum degree 10 -3 torr (torr). 제1항에 있어서, 상기 재차 오버 히팅하는 공정은, 약60초간 수행되는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.The method of claim 1, wherein the overheating is performed for about 60 seconds. 제1항에 있어서, 상기 도가니와 몰드는 재질이 그라파이트임을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.The method of claim 1, wherein the crucible and the mold is a method of producing a gold alloy for dental casting used in porcelain, characterized in that the graphite material. 제1항에 있어서, 상기 도가니와 몰드는, 이형제로 파라핀유가 도포되어 있는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.2. The method of claim 1, wherein the crucible and the mold are coated with paraffin oil as a release agent. 제1항에 있어서, 상기 합금재료 준비단계는, Ir 0.1∼1.0중량%, Ta 0.1∼0.5중량% 이하가 더 구비됨을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.The method of claim 1, wherein the preparing of the alloying material, 0.1 to 1.0% by weight of Ir, 0.1 to 0.5% by weight of Ta is used for manufacturing a gold alloy for dental casting used in porcelain. 치과주조용 금합금의 제조방법에 있어서, Au 37∼83중량%, Ag 9∼41중량%, Pt 4중량%, Pd 6중량% 이하, Cu 14.5중량% 이하, In 2중량% 이하로 이루어지고, 기타 미량의 흔적원소(TRACE ELEMENT)로 이루어진 합금을 준비하는 단계; 400∼500℃에서 예열된 몰드에 소정조건하의 진공에서 용해시킨 용탕을 1500∼2000℃에서 60∼90초 동안 가열시킨 후, 재차 오버히팅하고, 진공상태 하에서 15∼25분 정도 냉각시키며, 다시 대기중에서 5∼15분간 냉각시키는 공정을 포함하는 주조하는 단계; 및 압하율을 0.3∼0.05㎜/패스(pass)하에 냉각압연하는 단계로 구성된 것을 특징으로 하는 크라운 앤드 브리지에 사용되는 치과주조용 금합금의 제조방법.In the method for producing a dental casting gold alloy, Au 37-83% by weight, Ag 9-41% by weight, Pt 4% by weight, Pd 6% by weight or less, Cu 14.5% by weight, In 2% by weight or less, Preparing an alloy consisting of other trace elements (TRACE ELEMENT); The molten metal dissolved in a vacuum preheated at 400 to 500 ° C. under predetermined conditions was heated at 1500 to 2000 ° C. for 60 to 90 seconds, then overheated again, cooled for about 15 to 25 minutes under vacuum, and then waited again. Casting, including the process of cooling for 5 to 15 minutes; And cold rolling at a reduction ratio of 0.3 to 0.05 mm / pass. 제7항에 있어서, 상기 소정조건의 진공상태는 진공도10-3토르(torr)에서 진행되는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.The method of claim 7, wherein the vacuum under the predetermined condition is performed at a vacuum degree of 10 −3 torr (torr). 제7항에 있어서, 상기 재차 오버히팅하는 공정은, 약60초간 수행되는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.8. The method of claim 7, wherein the overheating process is performed for about 60 seconds. 제7항에 있어서, 상기 도가니와 몰드는 재질이 그라파이트임을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.8. The method of claim 7, wherein the crucible and the mold are made of porcelain, wherein the material is graphite. 제7항에 있어서, 상기 도가니와 몰드는, 이형제로 파라핀유가 도포되어 있는 것을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.8. The method of claim 7, wherein the crucible and the mold are coated with paraffin oil as a release agent. 제7항에 있어서, 상기 합금재료 준비단계는, Ir 0.1∼1.0중량%, Ta 0.1∼0.5중량% 이하가 더구비됨을 특징으로 하는 포세린에 사용되는 치과주조용 금합금의 제조방법.The method of claim 7, wherein the alloying material preparation step, 0.1 to 1.0% by weight of Ir, 0.1 to 0.5% by weight or less of the method of producing a gold alloy for dental casting used in porcelain, characterized in that more. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019950011515A 1995-05-10 1995-05-10 Manufacturing method of dental alloy KR960040381A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040047148A (en) * 2002-11-29 2004-06-05 주식회사 케이디엠 Dental Precious Alloy and Method of Making the Same
KR20040047143A (en) * 2002-11-29 2004-06-05 주식회사 케이디엠 Dental Precious Alloy for Metal-Ceramic Crown and Method of Making the Same
KR101227957B1 (en) * 2010-05-28 2013-01-30 주식회사 엠앤씨덴탈 Gas bubble rising prevention method at repairing process of porcelain artificial tooth

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040047148A (en) * 2002-11-29 2004-06-05 주식회사 케이디엠 Dental Precious Alloy and Method of Making the Same
KR20040047143A (en) * 2002-11-29 2004-06-05 주식회사 케이디엠 Dental Precious Alloy for Metal-Ceramic Crown and Method of Making the Same
KR101227957B1 (en) * 2010-05-28 2013-01-30 주식회사 엠앤씨덴탈 Gas bubble rising prevention method at repairing process of porcelain artificial tooth

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