JP5971744B2 - 鋳造用低カラット金合金 - Google Patents
鋳造用低カラット金合金 Download PDFInfo
- Publication number
- JP5971744B2 JP5971744B2 JP2012036836A JP2012036836A JP5971744B2 JP 5971744 B2 JP5971744 B2 JP 5971744B2 JP 2012036836 A JP2012036836 A JP 2012036836A JP 2012036836 A JP2012036836 A JP 2012036836A JP 5971744 B2 JP5971744 B2 JP 5971744B2
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- JP
- Japan
- Prior art keywords
- gold alloy
- casting
- gold
- mass
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910001020 Au alloy Inorganic materials 0.000 title claims description 30
- 239000003353 gold alloy Substances 0.000 title claims description 30
- 238000005266 casting Methods 0.000 title claims description 8
- 239000010931 gold Substances 0.000 claims description 15
- 229910052763 palladium Inorganic materials 0.000 claims description 12
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 229910052737 gold Inorganic materials 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 7
- 229910052718 tin Inorganic materials 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 229910052738 indium Inorganic materials 0.000 description 6
- 238000002845 discoloration Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005495 investment casting Methods 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Dental Preparations (AREA)
Description
Au:44〜48mass%、Pt:0〜2mass%、Pd:3〜5mass%とすることによって、金色の持つ赤味や黄色味を大きく損なうことなく、耐食性に優れた安価な歯科用金合金とすることができる。本発明では、Pt及びPdは単独又は組合せて用いても、その効果を発現することができる。ただし、Pt及びPdの合計量は、7mass%を超えると、効果を得ることが出来ない。
表2に示す特性データの結果からも分かるように、この発明の金合金は溶融温度が高く、比較例の合金に比べて金色に優れ、かつ耐変色性を有しており、歯科補綴物に必要とされる強度と伸びも十分備えていることが示された。
Claims (1)
- Au:44〜48mass%、Pt:0〜2mass%、Pd:3〜5mass%、Cu:10〜15mass%、Ir及び/又はRu:0.01〜0.3mass%、Zn:1mass%以下、残部がAg及び不可避不純物からなることを特長とする鋳造用低カラット金合金。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012036836A JP5971744B2 (ja) | 2012-02-22 | 2012-02-22 | 鋳造用低カラット金合金 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012036836A JP5971744B2 (ja) | 2012-02-22 | 2012-02-22 | 鋳造用低カラット金合金 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013170310A JP2013170310A (ja) | 2013-09-02 |
JP5971744B2 true JP5971744B2 (ja) | 2016-08-17 |
Family
ID=49264449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012036836A Active JP5971744B2 (ja) | 2012-02-22 | 2012-02-22 | 鋳造用低カラット金合金 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5971744B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6160852A (ja) * | 1984-08-31 | 1986-03-28 | Ishifuku Kinzoku Kogyo Kk | 歯科用金合金 |
NL9001986A (nl) * | 1990-09-10 | 1992-04-01 | Elephant Edelmetaal Bv | Dentaal porselein, werkwijze voor het vervaardigen van een tandheelkundige restauratie, dentaallegering. |
-
2012
- 2012-02-22 JP JP2012036836A patent/JP5971744B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2013170310A (ja) | 2013-09-02 |
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