EP3377663A1 - Copper-nickel-zinc alloy and use thereof - Google Patents
Copper-nickel-zinc alloy and use thereofInfo
- Publication number
- EP3377663A1 EP3377663A1 EP16784134.5A EP16784134A EP3377663A1 EP 3377663 A1 EP3377663 A1 EP 3377663A1 EP 16784134 A EP16784134 A EP 16784134A EP 3377663 A1 EP3377663 A1 EP 3377663A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nickel
- copper
- zinc alloy
- manganese
- alloy according
- 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.)
- Granted
Links
- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 41
- KOMIMHZRQFFCOR-UHFFFAOYSA-N [Ni].[Cu].[Zn] Chemical compound [Ni].[Cu].[Zn] KOMIMHZRQFFCOR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000011572 manganese Substances 0.000 claims abstract description 33
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 27
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 24
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 17
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011701 zinc Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 42
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 229910017052 cobalt Inorganic materials 0.000 claims description 14
- 239000010941 cobalt Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 9
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 claims description 2
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 description 34
- 239000000956 alloy Substances 0.000 description 34
- 239000000463 material Substances 0.000 description 14
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 8
- 239000010956 nickel silver Substances 0.000 description 8
- 229910001316 Ag alloy Inorganic materials 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004439 roughness measurement Methods 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910003336 CuNi Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Definitions
- the invention relates to a copper-nickel-zinc alloy, in whose a- and ß-phase structure consisting of nickel, iron and manganese and / or nickel, cobalt and manganese mixed silicides are incorporated as spherical or ellipsoidal particles, and the use of such a copper-nickel-zinc alloy.
- Alloys of copper, nickel and zinc are called nickel silver because of their silver-like colors. Commonly used alloys have between 47 and 64% by weight of copper and between 7 and 25% by weight of nickel. In turnable and drillable alloys usually lead up to 3 wt .-% lead are added as a chip breaker, in cast alloys even up to 9 wt .-%. The rest is zinc. As admixtures commercial nickel silver alloys may also contain 0.2 to 0.7 wt .-% manganese to reduce the Glühbrüchmaschine. Also, the manganese additive acts deoxidizing and desulfurizing.
- Nickel-silver alloys such as CuNi12Zn24 or CuNi 8Zn20, are used in the optical industry, among others, for producing spectacle hinges.
- the progressive miniaturization of these products requires materials with higher strength.
- these products have high demands on the quality of the surface.
- Nickel silver alloys are also used to make jewelery and watch parts. These products are particularly demanding on the Quality of the surface. The material has already pulled in
- the document JP 01177327 describes easily machinable nickel silver alloys with good hot and cold workability. These alloys consist of 6 to 15% Ni, 3 to 8% Mn, 0.1 to 2.5% Pb, 31 to 47% Zn, balance Cu with unavoidable impurities. Optionally, small amounts of Fe, Co, B, Si, or P may be added to promote grain growth
- the document DE 10 2012 004 725 A1 discloses lead-containing copper-nickel-zinc alloys whose structure contains nickel, iron and manganese and / or nickel, cobalt and manganese mixed silicides are incorporated as spherical or ellipsoidal particles.
- the alloys are characterized by high tensile strength, high cold workability and good machinability.
- the lead content of 1, 0 to 1, 5 wt .-% ensures the good machinability of the alloys.
- the alloys are used to produce high quality lead tips for ballpoint pens.
- the invention has for its object to provide a copper-nickel-zinc alloy with improved surface quality with high strength.
- the surface should already look like polished when pulled.
- the alloy should have a good machinability and excellent color fastness.
- the invention has for its object to provide a use for such a copper-nickel-zinc alloy.
- the invention includes a copper-nickel-zinc alloy having the following
- composition in% by weight isobutyl
- Fe and / or Co each up to 0.8%, wherein the sum of Fe content and twice the Co content is at least 0, 1 wt .-%,
- Ni, iron and manganese and / or nickel, cobalt and manganese mixed silicides are incorporated as spherical or ellipsoidal particles in a structure consisting of ⁇ and ⁇ phase.
- the invention is based on the consideration that the structure of nickel silver materials by alloying of silicon is varied so that silicide precipitates are formed.
- Silicides as intermetallic compounds have with about 800 HV a much higher hardness than the a and ß phase of the matrix structure.
- manganese is added to improve the cold and hot forming capacity and to increase the strength.
- manganese acts deoxidizing and desulfurizing.
- mixed silicides In the presence of manganese, iron and nickel, silicon forms mixed silicides of approximate composition predominantly between (Mn, Fe, Ni) 2 Si and (Mn, Fe, Ni) 3 Si. Similarly, silicon in the coexistence of manganese, cobalt and nickel forms mixed silicides of approximate composition (Mn, Co, Ni) x Si y , where x> y. Furthermore, mixed silicides can be formed which contain both iron and cobalt in addition to manganese and nickel. The mixed silicides are finely distributed as spherical or ellipsoidal particles in the matrix structure. The mean value of the volume-equivalent diameter of the particles is 0.5 to 2 ⁇ m.
- the composition does not contain large-area silicides, which therefore easily break out of the matrix structure.
- This advantageous property is achieved in the alloy according to the invention in particular by the low levels of manganese and iron or cobalt. Both iron and cobalt act as nucleation sites for silicide formation, ie in the presence of iron and / or cobalt even small deviations from the thermodynamic equilibrium are sufficient, so that small precipitates are formed.
- These precipitation nuclei which may also contain nickel in the present alloy composition, are finely distributed in the microstructure. They are further silicides, which now also contain manganese, preferably on.
- the low manganese content of the alloy limits the size of the individual silicides.
- the minimum amount of iron or cobalt is defined by the fact that the sum of the iron content and twice the cobalt content is at least 0.1 wt .-%.
- the copper-nickel-zinc alloy according to the invention has an excellent surface quality. Even when pulled, the surface of the material is very smooth, silvery shiny and free of visible defects. The surface looks like it's already polished. Thus, the surface of a semi-finished product produced by a forming process, such as a drawing or rolling process from an alloy according to the invention in many cases already meets the quality requirements of the final product. Further processing to improve the surface is no longer necessary.
- the average roughness Ra of the surface of such a semi-finished product is typically at most 0.2 ⁇ m. The average roughness Ra is determined over a measuring length of at least 4 mm.
- the surface quality of the copper-nickel-zinc alloy according to the invention is at least as good as the materials previously used in the optics industry.
- the strength of the copper-nickel-zinc alloy according to the invention is significantly higher than that of the materials used hitherto. This increase in strength allows the components to be made smaller and more filigree and thus meet the current design requirements.
- the tensile strength of the copper-nickel-zinc alloy according to the invention is between 700 and 900 MPa, depending on the degree of deformation of the material. In the hard state, it is at least 800 MPa.
- Workpieces made of a copper-nickel-zinc alloy according to the invention are characterized by a very high-quality surface and an attractive appearance, so that this alloy for the production of jewelry and watch parts are suitable. Furthermore, workpieces of a copper-nickel-zinc alloy according to the invention can be polished very well, whereby the visual impression of the workpiece can be further improved if necessary and the value of the product can be increased. Furthermore, the surface of the copper-nickel-zinc alloy according to the invention is readily coatable due to its excellent flatness.
- the surface quality of a copper-nickel-zinc alloy according to the invention is significantly better than that of lead-containing copper-nickel-zinc alloys of similar composition.
- a copper-nickel-zinc alloy according to the invention can be contained in the impurities low lead contents of up to 0.1 wt .-%, which are neither matrix effective nor have an influence on the formation of mixed silicides.
- the lead content of a copper-nickel-zinc alloy according to the invention is preferably at most 0.05% by weight. Particularly preferred is a copper-nickel-zinc alloy according to the invention lead-free.
- Another advantage of a copper-nickel-zinc alloy according to the invention is its high zinc content of about 40 wt .-%. This makes the material cheaper than, for example, the nickel silver alloys CuNi12Zn24 or
- a copper-nickel-zinc alloy according to the invention has a good machinability.
- the alloy can be well formed both warm and cold. The production costs of semi-finished products and end products are thereby reduced.
- the copper-nickel-zinc alloy according to the invention has a very good machinability, although it contains at most very small amounts of lead. Even at Pb levels well below the threshold of unavoidable impurities, a copper-nickel-zinc alloy of the invention is readily machinable.
- the reasons for the good machinability of the alloy are the finely divided mixed silicides, which act as chip breakers.
- either the Fe content or the Co content can be at least 0.1% by weight. This favors the formation finely distributed
- the copper-nickel-zinc alloy according to the invention may have the following composition [in% by weight]:
- nickel-, iron- and manganese-containing mixed silicides may be incorporated as spherical or ellipsoidal particles in a microstructure consisting of ⁇ and ⁇ phases.
- the selective alloying of iron produces very fine mixed silicides which have an advantageous effect on the surface quality of the material.
- the copper-nickel-zinc alloy according to the invention may have the following composition [in% by weight]:
- nickel-, cobalt- and manganese-containing mixed silicides may be incorporated as spherical or ellipsoidal particles in a microstructure consisting of ⁇ and ⁇ phases.
- the deliberate alloying of cobalt produces mixed silicides which have an advantageous effect on the strength of the material with at the same time good surface quality.
- Another aspect of the invention includes the use of an alloy according to the invention for the production of consumer goods with high demands on the surface quality such as jewelry, watch parts, eyeglass hinges, musical instruments or devices for medical technology. Due to the excellent surface quality of workpieces made of an alloy according to the invention, this is particularly suitable for the production of jewelry, watch parts and musical instruments. Also advantageous in these applications is the high color stability of the alloy. The color fastness follows from the high corrosion resistance of the alloy. Devices used in medical technology must be easy to clean. The smoother the surface of the devices, the easier it is to remove unwanted substances. The combination of good surface quality and high strength predestines the inventive copper-nickel-zinc alloy for the production of
- Another aspect of the invention includes the use of an alloy according to the invention for the production of keys, locks, plug connectors or lead tips for ballpoint pens.
- an alloy according to the invention for the production of keys, locks, plug connectors or lead tips for ballpoint pens.
- commodities such as keys or locks come the advantageous
- a copper-nickel-zinc alloy according to the invention and three comparative alloys were melted and poured into bolts. From the bolts were by means of hot pressing and cold forming wires and rods with a
- Table 1 shows the composition of the individual alloys in% by weight.
- Table 1 Composition of the individual alloys in% by weight
- the measured values documented in Table 2 show that the surface of the inventive alloy has the lowest roughness or roughness depth in seven out of eight measured values.
- the inventive alloy thus has the best surface quality in the drawn state.
- the measured values determined on the inventive alloy are always lower than the measured values determined on the lead-containing comparative samples 1 and 3.
- Comparative Samples 1 and 3 could be machined without problems. The drill chips were fine. The lead-free control 2 became very hot during the trial and the drill broke off during the trial.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Adornments (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16784134T PL3377663T3 (en) | 2015-11-17 | 2016-10-12 | Copper-nickel-zinc alloy and use thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015014856.7A DE102015014856A1 (en) | 2015-11-17 | 2015-11-17 | Copper-nickel-zinc alloy and its use |
PCT/EP2016/001697 WO2017084731A1 (en) | 2015-11-17 | 2016-10-12 | Copper-nickel-zinc alloy and use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3377663A1 true EP3377663A1 (en) | 2018-09-26 |
EP3377663B1 EP3377663B1 (en) | 2019-11-20 |
Family
ID=57153441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16784134.5A Active EP3377663B1 (en) | 2015-11-17 | 2016-10-12 | Copper-nickel-zinc alloy and use thereof |
Country Status (9)
Country | Link |
---|---|
US (1) | US10808303B2 (en) |
EP (1) | EP3377663B1 (en) |
JP (1) | JP6615334B2 (en) |
CN (1) | CN108350552B (en) |
DE (1) | DE102015014856A1 (en) |
MY (1) | MY185851A (en) |
PL (1) | PL3377663T3 (en) |
TW (1) | TWI694163B (en) |
WO (1) | WO2017084731A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018003216B4 (en) * | 2018-04-20 | 2020-04-16 | Wieland-Werke Ag | Copper-zinc-nickel-manganese alloy |
CN111380782B (en) * | 2019-05-25 | 2023-07-28 | 郑州普湾医疗技术有限公司 | Sensor alloy suspension wire and thromboelastography instrument with same |
CN112030056A (en) * | 2020-08-31 | 2020-12-04 | 江苏腾征新材料研究院有限公司 | Composite spherical energy-containing alloy damaged element and manufacturing method thereof |
EP3971312A1 (en) * | 2020-09-17 | 2022-03-23 | Société BIC | Brass alloy for writing instrument tips |
CN113403500B (en) * | 2021-06-21 | 2022-04-22 | 宁波博威合金材料股份有限公司 | High-strength high-elasticity corrosion-resistant high-nickel-manganese-white copper alloy and preparation method and application thereof |
KR102403909B1 (en) * | 2021-10-26 | 2022-06-02 | 주식회사 풍산 | Method for preparing copper alloy material with excellent workability and machinability and copper alloy material prepared thereby |
CN114606411B (en) * | 2022-04-21 | 2022-09-16 | 宁波金田铜业(集团)股份有限公司 | Free-cutting cupronickel |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1120151B (en) | 1954-04-26 | 1961-12-21 | Dr Eugen Vaders | High-strength nickel silver alloy |
DE1205285B (en) | 1962-12-28 | 1965-11-18 | Ver Deutsche Metallwerke Ag | Use of manganese and silicon-containing copper alloys for items subject to wear and tear |
DE3309365C1 (en) * | 1983-03-16 | 1983-12-15 | Vacuumschmelze Gmbh, 6450 Hanau | Use of a hardenable copper-nickel-manganese alloy as a material for the manufacture of spectacle parts |
US4631171A (en) * | 1985-05-16 | 1986-12-23 | Handy & Harman | Copper-zinc-manganese-nickel alloys |
DE3735783C1 (en) * | 1987-10-22 | 1989-06-15 | Diehl Gmbh & Co | Use of a copper-zinc alloy |
JPH01177327A (en) * | 1988-01-06 | 1989-07-13 | Sanpo Shindo Kogyo Kk | Free cutting copper-based alloy showing silver-white |
JPH0368732A (en) * | 1989-08-08 | 1991-03-25 | Nippon Mining Co Ltd | Manufacture of copper alloy and copper alloy material for radiator plate |
JPH03111529A (en) * | 1989-09-26 | 1991-05-13 | Nippon Mining Co Ltd | High-strength and heat-resistant spring copper alloy |
DE4240157A1 (en) | 1992-11-30 | 1994-06-01 | Chuetsu Metal Works | Brass-alloy coated synchroniser ring surface - exhibits good wear-resistance and adhesion, said synchroniser rings for use in gears of high performance vehicles. |
DE4339426C2 (en) * | 1993-11-18 | 1999-07-01 | Diehl Stiftung & Co | Copper-zinc alloy |
JPH07166279A (en) * | 1993-12-09 | 1995-06-27 | Kobe Steel Ltd | Copper-base alloy excellent in corrosion resistance, punchability, and machinability and production thereof |
JPH10121169A (en) * | 1996-10-15 | 1998-05-12 | Mitsubishi Materials Corp | Copper alloy resistance wire for electrofusion joint |
JPH111735A (en) * | 1997-04-14 | 1999-01-06 | Mitsubishi Shindoh Co Ltd | High strength cu alloy with excellent press blankability and corrosion resistance |
JP3022488B2 (en) | 1997-06-04 | 2000-03-21 | 社団法人高等技術研究院研究組合 | Resistance spot welding quality control device |
DE102005015467C5 (en) | 2005-04-04 | 2024-02-29 | Diehl Brass Solutions Stiftung & Co. Kg | Using a copper-zinc alloy |
DE102009021336B9 (en) * | 2009-05-14 | 2024-04-04 | Wieland-Werke Ag | Copper-nickel-zinc alloy and its use |
TW201100564A (en) * | 2009-06-26 | 2011-01-01 | Chan Wen Copper Industry Co Ltd | Lead free copper zinc alloy |
JP5281031B2 (en) * | 2010-03-31 | 2013-09-04 | Jx日鉱日石金属株式会社 | Cu-Ni-Si alloy with excellent bending workability |
DE102012004725B4 (en) * | 2012-03-07 | 2018-07-19 | Wieland-Werke Ag | Silicon-containing copper-nickel-zinc alloy |
DE102013008822A1 (en) | 2013-05-24 | 2014-11-27 | Wieland-Werke Ag | Mine for pens and use |
-
2015
- 2015-11-17 DE DE102015014856.7A patent/DE102015014856A1/en not_active Withdrawn
-
2016
- 2016-09-23 TW TW105130846A patent/TWI694163B/en active
- 2016-10-12 PL PL16784134T patent/PL3377663T3/en unknown
- 2016-10-12 CN CN201680059642.6A patent/CN108350552B/en active Active
- 2016-10-12 US US15/767,523 patent/US10808303B2/en active Active
- 2016-10-12 MY MYPI2018701373A patent/MY185851A/en unknown
- 2016-10-12 JP JP2018518648A patent/JP6615334B2/en active Active
- 2016-10-12 EP EP16784134.5A patent/EP3377663B1/en active Active
- 2016-10-12 WO PCT/EP2016/001697 patent/WO2017084731A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10808303B2 (en) | 2020-10-20 |
EP3377663B1 (en) | 2019-11-20 |
US20180291484A1 (en) | 2018-10-11 |
JP2018538431A (en) | 2018-12-27 |
DE102015014856A1 (en) | 2017-05-18 |
TWI694163B (en) | 2020-05-21 |
WO2017084731A1 (en) | 2017-05-26 |
CN108350552B (en) | 2020-07-31 |
JP6615334B2 (en) | 2019-12-04 |
PL3377663T3 (en) | 2020-05-18 |
TW201732047A (en) | 2017-09-16 |
CN108350552A (en) | 2018-07-31 |
MY185851A (en) | 2021-06-14 |
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