JPH0515170B2 - - Google Patents
Info
- Publication number
- JPH0515170B2 JPH0515170B2 JP60117482A JP11748285A JPH0515170B2 JP H0515170 B2 JPH0515170 B2 JP H0515170B2 JP 60117482 A JP60117482 A JP 60117482A JP 11748285 A JP11748285 A JP 11748285A JP H0515170 B2 JPH0515170 B2 JP H0515170B2
- Authority
- JP
- Japan
- Prior art keywords
- brazing
- plating
- alloy
- composite material
- eyeglass frames
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 19
- 239000011162 core material Substances 0.000 claims description 14
- 238000007747 plating Methods 0.000 claims description 11
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 238000005219 brazing Methods 0.000 description 26
- 239000010931 gold Substances 0.000 description 7
- 238000005253 cladding Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 229910001020 Au alloy Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003353 gold alloy Substances 0.000 description 3
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Landscapes
- Eyeglasses (AREA)
- Laminated Bodies (AREA)
- Electroplating Methods And Accessories (AREA)
Description
(産業上の利用分野)
本発明は、眼鏡フレーム用複合素材の改良に係
り、詳しくは材料のクラツド複合強度が強く且つ
ろう付特性に優れた眼鏡フレーム用複合素材に関
する。
(従来技術とその問題点)
近時、眼鏡着用者の活動範囲を広げる意味やか
け心地などの点からレンズ、フレーム共軽量の眼
鏡が要望されている。
このような要望に応えようとする眼鏡フレーム
用素材として、最近Ti又はTi合金が使用されて
いる。
しかし、Ti又はTi合金はろう付性が悪く、高
いろう付強度を持たせる為には、高真空中或いは
特殊な雰囲気の下でろう付を行う必要があり、こ
の点での改善か望まれていた。
その1つの手段として、第3図に示す如くTi
又はTi合金を芯材とし、これの外側に耐食性が
良く且つろう付性に優れた材料2、例えばNi−
Cr合金、金合金、銀合金などのいずれかをクラ
ドする方法が採られている。
しかしこの方法に依ると、Ti又はTi合金の芯
材1の酸化或いは窒化が防げ、大気中で簡単にろ
う付が行えるという長所があるものの、この眼鏡
フレーム用複合素材3を圧延して板材4を作り、
この板材4を第4図に示す如くAgろうAuろう等
のろう材5を用いて600〜900℃でろう付するる
と、芯材1と外側の材料2との界面に非常に脆い
金属間化合物6が生成されるので、ろう付後この
金属化合物6の層から剥離するという致命的な欠
点があつた。
(発明の目的)
本発明は斯かる欠点を解消すべくなされたもの
で、大気中でろう付が可能で、しかもろう付強度
が著しく高くその上芯材と外側の材料とが剥離す
ることのない眼鏡フレーム用複合素材を提供せん
とするものである。
(発明の構成)
本発明の眼鋼フレーム用複合素材は、第1図に
示す如く外周面にAuめつき、Agめつき又はNiめ
つきを施したTi又はTi合金を芯材1とし、これ
の外側にMoが中間層7として設けられ、この中
間層7の外側に、内周面にAuめつき、Agめつき
又はNiめつきの施された耐食性が良く且つろう
付性に優れた材料2、例えばNi−Cr合金、金合
金、銀合金などのいずれかがクラツドされて成る
ものである。
斯かる構成の眼鏡フレーム用複合差材3′を圧
延して板材4′を作り、この4′を第2図に示す如
くAgろう、Auろう等のろう材5を用いて600〜
900℃大気中でろう付すると、芯材1のTiの拡散
を中間層7のMoが抑制して金属間化合物の生成
が防止される。従つて、ろう付後の剥離が無く、
ろう付強度の高い良好なろう付が得られる。ま
た、この複合素材3′は芯材の外周面、外被材の
内周面にクラツド時の酸化を防ぐためのAuめつ
き、Agめつき又はNiめつきが施されてクラツド
されているので、その後の加工で剥離したりしな
いものである。
尚、Moは板又は筒を芯材と外被材の間に挿入
してクラツドすればよい。
次に本発明の眼鏡フレーム用複合素材の効果を
明瞭にする為に具体的な実施例と従来例について
説明する。
実施例 1
第1図に示す如く外周面をAuめつきしたTiを
直径3mmの芯材1とし、これの外側に厚さ0.017
mmのMoが中間層7としてクラツドされ、この中
間層7の外側に、内周面をAuめつきした厚さ
0.25mmのNi−Cr10wt%合金2がクラツドされて
成る眼鏡フレーム用複合素材3′を、圧延して
0.75mm厚の板材4′を作り、この板材4′を第4図
に示す如くAg−Cu28wt%のろう材5を用いて
830℃大気中でろう付してテストピースを得た。
実施例 2
第1図に示す如く外周面をNiめつきした
Ti95wt%、Al3wt%、V2wt%から成るTi合金を
直径3mmの芯材1とし、これらの外側に厚さ
0.017mmのMoが中間層7としてクラツドされ、こ
の中間層7の外側に、内周面をNiめつきした厚
さ0.25mmの18K金合金2がクラツドされて成る眼
鏡フレーム用複合素材3′を圧延して0.75mm厚の
板材4′を作り、この板材4′を第4図に示す如く
Ag−Cu28wt%のろう材5を用いて830℃大気中
でろう付してテストピースを得た。
(従来例)
第1図に示す如くTiを直径3mmの芯材1とし、
これの外側に厚さ0.25mのNi−Cr10wt%合金2
がクラツドされて成る眼鏡フレーム用複合素材3
を圧延して0.75mm厚の板材4を作り、この板材4
を第4図に示す如くAg−Cu28wt%のろう材5を
用いて830℃大気中でろう付してテストピースを
得た。
然して実施例1、2及び従来例のテストピース
を引つ張り試験した処、下表に示すような結果を
得た。
(Industrial Application Field) The present invention relates to an improvement of a composite material for eyeglass frames, and more particularly to a composite material for eyeglass frames that has strong clad composite strength and excellent brazing properties. (Prior art and its problems) Recently, there has been a demand for eyeglasses with lightweight lenses and frames from the viewpoint of expanding the range of activities of eyeglass wearers and from the viewpoint of comfort. Recently, Ti or Ti alloys have been used as materials for eyeglass frames to meet these demands. However, Ti or Ti alloys have poor brazing properties, and in order to have high brazing strength, it is necessary to braze in a high vacuum or in a special atmosphere. Improvements in this point are desired. was. As one of the means, as shown in Fig. 3, Ti
Alternatively, a Ti alloy is used as the core material, and a material 2 with good corrosion resistance and brazing properties, such as Ni-
A method of cladding with Cr alloy, gold alloy, silver alloy, etc. is adopted. However, although this method has the advantage of preventing the oxidation or nitridation of the Ti or Ti alloy core material 1 and allowing easy brazing in the atmosphere, it is possible to roll the composite material 3 for eyeglass frames into the plate material 4. make,
When this plate material 4 is brazed at 600 to 900°C using a brazing material 5 such as Ag brazing or Au brazing as shown in FIG. Since compound 6 is produced, there is a fatal drawback that the layer of metal compound 6 peels off after brazing. (Purpose of the Invention) The present invention has been made to eliminate these drawbacks, and it is possible to braze in the atmosphere, has extremely high brazing strength, and is resistant to peeling between the core material and the outer material. The purpose of this invention is to provide a composite material for eyeglass frames that is not available before. (Structure of the Invention) As shown in FIG. 1, the composite material for eye steel frames of the present invention has a core material 1 of Ti or a Ti alloy whose outer peripheral surface is plated with Au, Ag or Ni. Mo is provided as an intermediate layer 7 on the outside of the intermediate layer 7, and on the outside of this intermediate layer 7, a material 2 having good corrosion resistance and excellent brazing properties is provided with Au plating, Ag plating, or Ni plating on the inner peripheral surface. , for example, a Ni-Cr alloy, a gold alloy, a silver alloy, etc., is clad. A plate material 4' is made by rolling the composite differential material 3' for eyeglass frames having such a structure, and this 4' is heated to 600 to 600 mm using a brazing material 5 such as Ag wax or Au wax as shown in Fig. 2.
When brazing is performed in the atmosphere at 900° C., Mo in the intermediate layer 7 suppresses the diffusion of Ti in the core material 1, thereby preventing the formation of intermetallic compounds. Therefore, there is no peeling after brazing,
Good brazing with high brazing strength can be obtained. In addition, this composite material 3' is clad with Au plating, Ag plating, or Ni plating applied to the outer circumferential surface of the core material and the inner circumferential surface of the outer covering material to prevent oxidation during cladding. , and will not peel off during subsequent processing. Incidentally, Mo may be clad by inserting a plate or a tube between the core material and the outer covering material. Next, specific examples and conventional examples will be described in order to clarify the effects of the composite material for eyeglass frames of the present invention. Example 1 As shown in Fig. 1, a Ti core material 1 with a diameter of 3 mm is made of Ti whose outer peripheral surface is plated with Au, and a thickness of 0.017 cm is placed on the outside of this core material 1.
mm of Mo is clad as the intermediate layer 7, and the inner peripheral surface of the intermediate layer 7 is plated with Au.
A composite material 3' for eyeglass frames clad with 0.25 mm of Ni-Cr10wt% alloy 2 was rolled.
A plate material 4' with a thickness of 0.75 mm is made, and this plate material 4' is coated with a brazing material 5 of Ag-Cu28wt% as shown in Fig. 4.
A test piece was obtained by brazing at 830°C in the atmosphere. Example 2 The outer peripheral surface was plated with Ni as shown in Figure 1.
A Ti alloy consisting of Ti95wt%, Al3wt%, and V2wt% is used as the core material 1 with a diameter of 3 mm, and a thickness is
A composite material 3' for eyeglass frames is made by cladding 0.017 mm of Mo as the intermediate layer 7, and cladding 0.25 mm thick 18K gold alloy 2 with Ni plating on the inner peripheral surface on the outside of this intermediate layer 7. A plate material 4' with a thickness of 0.75 mm was made by rolling, and this plate material 4' was rolled as shown in Fig. 4.
A test piece was obtained by brazing at 830° C. in the atmosphere using a brazing material 5 containing 28 wt% Ag-Cu. (Conventional example) As shown in Fig. 1, Ti is used as the core material 1 with a diameter of 3 mm,
On the outside of this, 0.25m thick Ni-Cr10wt% alloy 2
Composite material for eyeglass frames made of cladding 3
is rolled to make plate material 4 with a thickness of 0.75mm, and this plate material 4
As shown in Fig. 4, a test piece was obtained by brazing at 830°C in the atmosphere using a brazing filler metal 5 containing 28 wt% Ag-Cu. However, when the test pieces of Examples 1 and 2 and the conventional example were subjected to a tensile test, the results shown in the table below were obtained.
【表】
* 試験個数:5個
上表で明らかになように実施例1、2のテスト
ピースは従来のテストピースに比し、破断強度が
著しく高く、接合強度が高いことが判る。また従
来例のテストピースは芯材1と外側の材料2との
クラツドした面が破断面であつたのに対し実施例
のテストピースは母材が破断面で、芯材1と外側
の材料2との接合強度が高いことが判る。
(発明の効果)
以上詳記した通り本発明の眼鏡フレーム用複合
素材は、大気中でろう付が可能でろう付作業性に
優れ、しかもろう付け強度が著しく高く、その上
芯材と外側の材料とが剥離することが無いので、
耐久性、機能性に優れ、軽量眼鏡フレーム用複合
素材としては画期的なものと云える。[Table] *Number of test pieces: 5 pieces As is clear from the table above, it can be seen that the test pieces of Examples 1 and 2 have significantly higher breaking strength and higher bonding strength than the conventional test pieces. In addition, in the test piece of the conventional example, the fracture surface was the clad surface of the core material 1 and the outer material 2, whereas in the test piece of the example, the base material was the fracture surface, and the core material 1 and the outer material 2 It can be seen that the bonding strength with (Effects of the Invention) As detailed above, the composite material for eyeglass frames of the present invention can be brazed in the air, has excellent brazing workability, has extremely high brazing strength, and has a Since the material will not peel off,
It has excellent durability and functionality, and can be said to be an epoch-making composite material for lightweight eyeglass frames.
第1図は本発明の眼鏡フレーム用複合素材の断
面図、第2図はその複合素材を圧延して得た板材
をろう付して得たテストピースの断面図、第3図
は従来の眼鏡フレーム用複合素材の断面図、第4
図はその複合素材を圧延して得た板材をろう付し
て得たテストピースの断面図である。
Fig. 1 is a cross-sectional view of a composite material for eyeglass frames of the present invention, Fig. 2 is a cross-sectional view of a test piece obtained by brazing a plate obtained by rolling the composite material, and Fig. 3 is a cross-sectional view of a conventional eyeglass frame material. Cross section of composite material for frame, 4th
The figure is a cross-sectional view of a test piece obtained by brazing a plate material obtained by rolling the composite material.
Claims (1)
たTi又はTi合金を芯材とし、これの外側にMoが
中間層として設けられ、その外側に、内周面に
Auめつき、Agめつき又はNiめつきの施された耐
食性材料がクラツドされていることを特徴とする
眼鏡フレーム用複合素材。1 The core material is Ti or Ti alloy with Au plating, Ag plating or Ni plating, and Mo is provided as an intermediate layer on the outside of this, and on the outside of this, on the inner peripheral surface.
A composite material for eyeglass frames characterized by being clad with a corrosion-resistant material coated with Au, Ag or Ni plating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11748285A JPS61273946A (en) | 1985-05-30 | 1985-05-30 | Composite blank for frame of spectacle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11748285A JPS61273946A (en) | 1985-05-30 | 1985-05-30 | Composite blank for frame of spectacle |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61273946A JPS61273946A (en) | 1986-12-04 |
JPH0515170B2 true JPH0515170B2 (en) | 1993-02-26 |
Family
ID=14712795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11748285A Granted JPS61273946A (en) | 1985-05-30 | 1985-05-30 | Composite blank for frame of spectacle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61273946A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5984219A (en) * | 1982-11-05 | 1984-05-15 | Nippon Gakki Seizo Kk | Composite material for spectacles frame |
-
1985
- 1985-05-30 JP JP11748285A patent/JPS61273946A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5984219A (en) * | 1982-11-05 | 1984-05-15 | Nippon Gakki Seizo Kk | Composite material for spectacles frame |
Also Published As
Publication number | Publication date |
---|---|
JPS61273946A (en) | 1986-12-04 |
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