JPH02190432A - Retaining pawl for gem and precious stone of ornament made of titanium alloy - Google Patents
Retaining pawl for gem and precious stone of ornament made of titanium alloyInfo
- Publication number
- JPH02190432A JPH02190432A JP667689A JP667689A JPH02190432A JP H02190432 A JPH02190432 A JP H02190432A JP 667689 A JP667689 A JP 667689A JP 667689 A JP667689 A JP 667689A JP H02190432 A JPH02190432 A JP H02190432A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- titanium alloy
- retaining pawl
- corrosion resistance
- precious stones
- 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.)
- Pending
Links
- 239000010437 gem Substances 0.000 title claims abstract description 28
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 15
- 229910001751 gemstone Inorganic materials 0.000 title abstract description 5
- 210000000078 claw Anatomy 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 238000007747 plating Methods 0.000 abstract description 8
- 238000005242 forging Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 241000269821 Scombridae Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 235000020640 mackerel Nutrition 0.000 description 1
- 229910000923 precious metal alloy Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Landscapes
- Adornments (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、装飾品の宝石・貴石用固定爪に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a fixing claw for ornamental jewelry and precious stones.
本発明は、特定温度条件下で超塑性で発現するチタン合
金を用いることによって、製造工程の削減、耐食性の改
善を達成し、かつ商品としての付加価値を高めた宝石・
貴石用固定爪を提供するものである。By using a titanium alloy that exhibits superplasticity under specific temperature conditions, the present invention reduces the manufacturing process, improves corrosion resistance, and creates jewelry and products with increased added value as products.
This invention provides a fixed claw for precious stones.
従来、宝石・貴石用固定爪の材料として、高級品では、
貴金属合金、中低級品では、銅合金が用いられている。Traditionally, high-quality products have been used as materials for fixed claws for jewelry and precious stones.
Copper alloys are used for precious metal alloys and middle to low grade products.
一般に銅合金は、宝石・貴石用固定爪の形状に加工され
た後、金等の鍍金を施し、宝石・貴石を搭載し、爪をカ
シメで固定するか、宝石・貴石を搭載し、爪をカシメで
固定した後、金等のメツキを施すことにより、宝石・貴
石付装飾品としており、廉価であり、加工性に優れてい
ることから広く利用されていた。In general, copper alloys are processed into the shape of fixed claws for gems and precious stones, then plated with gold or other metal, mounted with gems and precious stones, and fixed with caulking, or loaded with gems and precious stones and fixed in the claw. After fixing with caulking, it is plated with gold or other metal to make jewelry and precious stones, and it was widely used because it was inexpensive and easy to work with.
銅合金では、宝石・貴石を固定した後、鍍金を施す場合
、銅合金基材と宝石・貴石との接触部が鍍金されず、耐
食性を著しく低下せしめ、又、鍍金を施した後、宝石・
貴石を固定する場合、カシメによる鍍金層の割れが発生
し、耐食性を著しく低下せしめる問題がある。With copper alloys, when plating is applied after the jewelry/precious stones have been fixed, the contact area between the copper alloy base material and the jewelry/precious stones is not plated, which significantly reduces corrosion resistance.
When fixing precious stones, there is a problem in that the plating layer cracks due to caulking, which significantly reduces corrosion resistance.
このため、爪の材料として耐食性の良好なステンレス鋼
やチタン合金を基材とすると、加工性が悪く、宝石・貴
石用固定爪に要求される微細な加工が出来なかった。For this reason, when stainless steel or titanium alloy, which has good corrosion resistance, is used as the base material for the claw, the workability is poor, and the fine processing required for fixed claws for jewelry and precious stones cannot be performed.
上記課題を解決するために本発明では、Ｔｉｌ。。−ｘ
−ｙ−＊ Ａｌ−Ｖｙ Ｍ、、 （２≦ｘ≦５．５≦ｙ
≦１２゜０．５≦２≦８．かつ、１４≦１．５ｘ ｙ
＋ ｚ≦２１）の組成のチタン合金を、宝石・貴石用固
定爪の基材とするものであり、該基材の超塑性を利用し
て、微細加工を達成し必要に応じ、鍍金を施し装飾効果
を向上せしめるものである。In order to solve the above problems, the present invention uses Til. . -x
-y-* Al-Vy M,, (2≦x≦5.5≦y
≦12゜0.5≦2≦8. and 14≦1.5x y
A titanium alloy with a composition of +z≦21) is used as the base material for fixed claws for jewelry and precious stones, and the superplasticity of the base material is used to achieve microfabrication and, if necessary, plated. This improves the decorative effect.
一般にチタン合金は、Ｔｌ−６％Ａ７−４％Ｖのチタン
合金が、航空機用ジェットエンジンに用いられているが
、９００℃以上の温度で熱感加工する必要があり、高温
耐熱性のＴＺＭ材の金型を使用するが、ＴＺＭ材は耐酸
化性に乏しく、真空もしくは不活性ガス雰囲気中での鍛
造成形となり、高価な金型及び複雑な鍛造装置を要する
。Generally, a titanium alloy of Tl-6%A7-4%V is used in aircraft jet engines, but it requires heat-sensing processing at a temperature of 900°C or higher, and TZM material with high temperature resistance is used. However, TZM material has poor oxidation resistance and must be forged in a vacuum or inert gas atmosphere, requiring an expensive mold and complicated forging equipment.
本発明ニ用Ｉｔ’ ルＴｉ＋ｏｏ−ｘ−ｙ−＊ ＡＺＸ
Ｖ ｙ Ｍａｙのチタン合金は、従来のＴｌ−６％Ｉ
Ｖ−４％Ｖチタン合金と同等の耐食性、硬度を有し、超
塑性発現温度が７００〜７５０℃と低く、耐酸化性の廉
価なワスバロイ材を金型として大気中で超塑性鍛造でき
、廉価な金型が使用でき、真空槽等がない鍛造装置が使
用でき、製造コストの低減が図れると同時に、超塑性鍛
造により微細形状の成形が達成される。It'ru Ti+oo-x-y-*AZX for the present invention
V y May's titanium alloy is conventional Tl-6%I
It has corrosion resistance and hardness equivalent to V-4%V titanium alloy, has a low superplasticity onset temperature of 700 to 750°C, and can be superplastically forged in the atmosphere using an inexpensive oxidation-resistant wasburoy material as a mold. It is possible to use a mold that is flexible, a forging device that does not have a vacuum chamber, etc., thereby reducing manufacturing costs, and at the same time achieving micro-shape formation through superplastic forging.
又、超塑性鍛造により、宝石・貴石用固定爪を成形した
後、８５０℃・３０分のβ溶体化処理を施すことにより
、鏡面研磨処理が可能となり、装飾効果の向上が達成さ
れる。In addition, after forming fixed claws for gemstones and precious stones by superplastic forging, by subjecting them to beta solution treatment at 850° C. for 30 minutes, mirror polishing becomes possible and an improvement in the decorative effect is achieved.
更に、本発明に用いられるチタン合金は、耐食性が優れ
ていることから、宝石・貴石を固定後鍍金を施すか、鍍
金後宝石・貴石を固定することにより、鍍金が完全に被
覆されなかったり、鍍金層の割れが発生による耐食性の
劣化が防止することができる。Furthermore, since the titanium alloy used in the present invention has excellent corrosion resistance, plating may be applied after fixing the gems/precious stones, or by fixing the gems/precious stones after plating, the plating may not be completely covered. Deterioration of corrosion resistance due to cracking of the plating layer can be prevented.
次に本発明の実施例について説明する。第１図は、本発
明の宝石・貴石用固定爪の製造工程の一実施例を示す図
である０本発明に使用した材料は、α−β型チタン合金
であり、その化学組成を第１表に示す。Next, examples of the present invention will be described. FIG. 1 is a diagram showing an example of the manufacturing process of the fixing claw for jewelry and precious stones of the present invention. The material used in the present invention is an α-β type titanium alloy, and its chemical composition is Shown in the table.
第３表
該チタン合金を用いて、第２表に示す超塑性状態が発現
する条件で超塑性鍛造により、固定爪を成形し、８５０
℃・３０分のβ溶体化処理を施し、更に５００℃・５時
間の時効処理を施した後、鏡面研磨処理を行った。Table 3 Using the titanium alloy, a fixed claw was formed by superplastic forging under the conditions that produced the superplastic state shown in Table 2.
After performing β solution treatment at 30 minutes at 500° C. and further aging at 500° C. for 5 hours, a mirror polishing treatment was performed.
次に、比較のために用いた、本発明品と従来品の材料お
よび、鍍金の構成を第３表に示す。Next, Table 3 shows the materials and plating configurations of the product of the present invention and the conventional product used for comparison.
第３表で示した試料を、塩水噴霧試験と人工汗間歇試験
で耐食性を評価したところ、第４表に示すような結果が
得られた。なお、試験の結果、Ｏ： 錆の発生が認めら
れなかったもの△： 鯖の発生が僅かに認められたちの
供できるものである。When the corrosion resistance of the samples shown in Table 3 was evaluated using a salt spray test and an artificial sweat intermittent test, the results shown in Table 4 were obtained. As a result of the test, O: No rust was observed. Δ: Slight occurrence of mackerel was observed. Can be used.
×： 著しい錆の発生が認められたもの第１図は本発明
の宝石・貴石用固定爪の製造工に区分 た。
程の一実施例を示す図である。×: Items in which significant rust was observed in Figure 1 were classified as manufacturing work of fixed claws for jewelry and precious stones of the present invention. It is a figure which shows one Example of this.
Claims (1)
＿ｙＭｏ＿ｚ（２≦ｘ≦５、５≦ｙ≦１２、０．５≦ｚ
≦８、かつ、１４≦１．５×ｙ＋ｚ≦２１）からなるチ
タン合金の超塑性状態を利用して製造した装飾品の宝石
・貴石用固定爪。Ti_1_0_0_-_x_-_y_-_zAl_xV
_yMo_z(2≦x≦5, 5≦y≦12, 0.5≦z
≦8 and 14≦1.5×y+z≦21) A fixing claw for ornamental jewelry and precious stones manufactured using the superplastic state of a titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP667689A JPH02190432A (en) | 1989-01-13 | 1989-01-13 | Retaining pawl for gem and precious stone of ornament made of titanium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP667689A JPH02190432A (en) | 1989-01-13 | 1989-01-13 | Retaining pawl for gem and precious stone of ornament made of titanium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02190432A true JPH02190432A (en) | 1990-07-26 |
Family
ID=11644970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP667689A Pending JPH02190432A (en) | 1989-01-13 | 1989-01-13 | Retaining pawl for gem and precious stone of ornament made of titanium alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02190432A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289855A (en) * | 1985-06-27 | 1987-04-24 | Mitsubishi Metal Corp | High strength ti alloy material having superior workability and its manufacture |
| JPS62177137A (en) * | 1986-01-30 | 1987-08-04 | Namiki Precision Jewel Co Ltd | Production of external parts for watch |
-
1989
- 1989-01-13 JP JP667689A patent/JPH02190432A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289855A (en) * | 1985-06-27 | 1987-04-24 | Mitsubishi Metal Corp | High strength ti alloy material having superior workability and its manufacture |
| JPS62177137A (en) * | 1986-01-30 | 1987-08-04 | Namiki Precision Jewel Co Ltd | Production of external parts for watch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3083225B2 (en) | Manufacturing method of titanium alloy decorative article and watch exterior part | |
| ATE90976T1 (en) | PROCESSES FOR THE PRODUCTION OF 7000 SERIES ALUMINUM ALLOYS BY SPRAY DEPOSITION AND DISCONTINUOUSLY REINFORCED COMPOSITES, WHICH THE MATRIX CONSISTS OF THESE ALLOYS WITH HIGH MECHANICAL STRENGTH AND GOOD DUCTILITY. | |
| JPH0474856A (en) | Production of beta ti alloy material having high strength and high ductility | |
| DE3561163D1 (en) | Process for the manufacture of objects from al-li-mg-cu alloys with high ductibility and isotropy properties | |
| US4081295A (en) | Fabricating process for high strength, low ductility nickel base alloys | |
| JPS58151458A (en) | Manufacture of particulate work piece from heat-resistant austenite nickel base alloy | |
| JPH02190432A (en) | Retaining pawl for gem and precious stone of ornament made of titanium alloy | |
| JPS6357753A (en) | Manufacture of personal ornaments | |
| JPH08104974A (en) | Method for hardening platinum or platinum alloy and method for hardening palladium or palladium alloy | |
| GB2248849A (en) | Process for working a beta type titanium alloy | |
| JP2694259B2 (en) | Processing method of β-type titanium alloy | |
| JPS63145759A (en) | Heat treatment of platinum alloy for ornamentation | |
| JPS605831A (en) | Age hardening au alloy for white ornament | |
| JPH06136498A (en) | Mirror finishing treatment for beta-type titanium alloy | |
| JPH02190457A (en) | Manufacture of isothermal forging die | |
| RU2291216C1 (en) | Material for production of cultural and welfare articles | |
| JPH108235A (en) | Formation of black oxide layer onto alloy and black alloy obtained by this formation | |
| JPH03170649A (en) | Method for forming polished specular surface in ti alloy member | |
| JPH0135911B2 (en) | ||
| JPS6029460A (en) | Manufacture of ornamental material | |
| JPH01127640A (en) | Alloy member for decoration | |
| JPS63162845A (en) | Hard external parts for timepiece and production thereof | |
| JPH10183271A (en) | Gold alloy | |
| JPH0135912B2 (en) | ||
| JPS6018318B2 (en) | ornaments |