EP3004413A1 - Mine für kugelschreiber und verwendung - Google Patents
Mine für kugelschreiber und verwendungInfo
- Publication number
- EP3004413A1 EP3004413A1 EP14724648.2A EP14724648A EP3004413A1 EP 3004413 A1 EP3004413 A1 EP 3004413A1 EP 14724648 A EP14724648 A EP 14724648A EP 3004413 A1 EP3004413 A1 EP 3004413A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- refill
- alloy
- optionally
- ball
- nickel
- 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
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 22
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 15
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 239000011572 manganese Substances 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000011701 zinc Substances 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 229910052745 lead Inorganic materials 0.000 claims abstract description 3
- 229910052718 tin Inorganic materials 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 239000000956 alloy Substances 0.000 claims description 25
- URQWOSCGQKPJCM-UHFFFAOYSA-N [Mn].[Fe].[Ni] Chemical compound [Mn].[Fe].[Ni] URQWOSCGQKPJCM-UHFFFAOYSA-N 0.000 claims description 9
- 238000000137 annealing Methods 0.000 claims description 8
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 4
- 229910003286 Ni-Mn Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000005266 casting Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 4
- 239000010956 nickel silver Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 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
- KOMIMHZRQFFCOR-UHFFFAOYSA-N [Ni].[Cu].[Zn] Chemical compound [Ni].[Cu].[Zn] KOMIMHZRQFFCOR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000003466 welding 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
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
- B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
- B43K1/082—Balls
-
- 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 refill for ballpoint pens and use.
- Ballpoint pens are often made of nickel silver for aesthetic reasons. These are made of machinable nickel silver wire material as a wrought material of composition Cu: 40.0 to 48.0 wt .-%, Ni: 8.0 to 14.0 wt .-%, Mn: 4.0 to 6.5 wt. -%, Si: 0.05 to 1, 5 wt .-%, balance Zn and unavoidable
- This nickel silver alloy consists of a two-phase structure consisting of ⁇ and ⁇ phase in which silicides are incorporated.
- EP 1 608 789 B1 discloses a copper-based alloy suitable for use in the production of
- the alloy has the
- composition Cu 43 to 48 wt .-%, Zn: 33 to 38 wt .-%, Ni: 10 to 15 wt .-%, Mn: 3.5 to 6.5 wt .-%, wherein the alloy is a single-phase a structure and a two-phase ⁇ / ⁇ structure has. It is important in this alloy that by at least one step of a heat deformation of the
- Alloy the first two-phase ⁇ / ⁇ structure is converted in conjunction with a thermal treatment in a single-phase ⁇ -structure.
- the goal is therefore to form a ballpointing component with a single crystalline phase of uniform structure.
- the invention has for its object to develop a ballpoint pen refill.
- the invention includes the technical teaching of a refill for ballpoint pen, consisting of ink container and ball, wherein the ball is arranged in a provided at the front end of the ink container writing tip, wherein at least the writing tip of the ink container consists of a copper-zinc alloy of the following composition (in% by weight):
- the writing tip can be connected as a separate part with the rest of the ink container.
- the ink container may also be integrally formed with the writing tip.
- the invention is based on the idea to provide a copper-zinc alloy with embedded iron-nickel-manganese-containing mixed silicides, which can be prepared by means of the continuous or semi-continuous continuous casting process. Due to the Mischsilicizid Sieg the copper-zinc alloy has a high hard phase content, which contributes to an improvement of the material resistance to the abrasive wear in connection with the lead ball as a friction pairing.
- the alloy has high hardness and strength values, but nevertheless a necessary degree of ductility, expressed by the elongation at break value in a tensile test, is guaranteed.
- the subject invention is particularly suitable for use in a ballpoint pen refill.
- Ink consumption of a ballpoint pen is due to the wear of the
- Ball seat determined by the ball of tungsten carbide. Accordingly, the material should also be corrosion resistant to ink. Both that
- the particular advantage of the alloy according to the invention is based on a property combination optimized for the purposes in the form of an increase in the strength, the temperature resistance of the structure and the wear resistance with simultaneously sufficient toughness properties.
- the alloy has good corrosion resistance over the commonly used inks.
- the claimed material solution takes into account the need for an environmentally friendly alloy.
- this material is predestined for special applications where a high degree of plasticizability is required despite the high hardness and strength requirements. Due to the selected elemental areas of silicon and nickel, the iron-nickel-manganese mixed silicide formation can be particularly aligned to an optimized combination of properties, in particular
- the microstructure with a content of the ⁇ phase can be up to 50% by volume. This is regarded as a necessary condition for a sufficiently good hot workability of the copper alloy by extrusion.
- the microstructure having a content of the ⁇ -phase from 5 to 45 vol .-%, the Fe-Ni-Mn-containing Mixed silicides are present up to 20 vol .-% and a residue ⁇ -phase.
- this alloy ensures an advantageous temperature resistance of the microstructure with sufficient toughness properties as well as a suitable wear resistance of the components.
- the high silicide content contributes due to the low tendency of the silicides to cold-weld to improve the sliding and emergency running properties of bearing elements, whereby the elimination of the Pb content can be compensated.
- the iron-nickel-manganese-containing mixed silicides having a stalk-like form and iron-nickel-enriched mixed silicides having a globular shape can be present in the microstructure.
- silicides There are therefore two types of silicides, namely stalky and globular.
- stalky and globular When casting the alloy, an early precipitation of iron- and nickel-rich mixed silicides takes place first. These precipitates, upon further growth, can grow into large-sized, iron-nickel-manganese-containing mixed silicides of stalk-like form.
- a considerable proportion may remain rather small with globular shape, which is finely distributed in the matrix.
- the finely divided silicides are considered to cause a stabilization of the ⁇ -phase takes place. This provides an important contribution, in particular to increasing the wear resistance.
- the ratio of the values for the yield strength and Tensile strength of the alloy R p0 , 2 / Rm are between 0.5 to 0.95. This is an important prerequisite for the production of friction pairings of bearings in the writing tip in the ink container in conjunction with hard metal balls. This evolution of the copper-zinc alloy ensures outstanding resistance to mechanical wear.
- a method for producing rods of the copper-zinc alloy according to the invention for mines comprises the following steps for the further processing of the alloy:
- Another alternative aspect relates to a method for producing rods of the copper-zinc alloy according to the invention for ballpoint pen refills, wherein a further processing of the alloy comprises the following steps:
- the microstructure of the copper-zinc alloy can be modified in its phase distribution such that, in addition to high strength, it additionally has sufficient temperature resistance.
- at least one flash annealing can follow in a temperature range of 250 to 450 ° C.
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)
- Pens And Brushes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013008822.4A DE102013008822A1 (de) | 2013-05-24 | 2013-05-24 | Mine für Kugelschreiber und Verwendung |
PCT/EP2014/001321 WO2014187544A1 (de) | 2013-05-24 | 2014-05-15 | Mine für kugelschreiber und verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3004413A1 true EP3004413A1 (de) | 2016-04-13 |
EP3004413B1 EP3004413B1 (de) | 2017-05-03 |
Family
ID=50733013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14724648.2A Active EP3004413B1 (de) | 2013-05-24 | 2014-05-15 | Mine für kugelschreiber und verwendung |
Country Status (8)
Country | Link |
---|---|
US (1) | US9637808B2 (de) |
EP (1) | EP3004413B1 (de) |
JP (1) | JP6254684B2 (de) |
KR (1) | KR102139186B1 (de) |
CN (1) | CN105209653A (de) |
DE (1) | DE102013008822A1 (de) |
MX (1) | MX364716B (de) |
WO (1) | WO2014187544A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015004221A1 (de) | 2015-03-31 | 2016-10-06 | Wieland-Werke Ag | Kupfer-Zink-Legierung, bandförmiger Werkstoff daraus, Verfahren zur Herstellung eines Halbzeugs aus einer Kupfer-Zink-Legierung und Gleitelemente aus einer Kupfer-Zink-Legierung |
DE102015014856A1 (de) * | 2015-11-17 | 2017-05-18 | Wieland-Werke Ag | Kupfer-Nickel-Zink-Legierung und deren Verwendung |
DE102016001994A1 (de) * | 2016-02-19 | 2017-08-24 | Wieland-Werke Ag | Gleitelement aus einer Kupfer-Zink-Legierung |
DE202020101700U1 (de) * | 2020-03-30 | 2021-07-01 | Otto Fuchs - Kommanditgesellschaft - | Pb-freie Cu-Zn-Legierung |
EP3971312A1 (de) * | 2020-09-17 | 2022-03-23 | Société BIC | Messinglegierung für schreibinstrumentenspitzen |
CN114606411B (zh) * | 2022-04-21 | 2022-09-16 | 宁波金田铜业(集团)股份有限公司 | 一种易切削白铜 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH450732A (de) * | 1965-12-08 | 1968-01-31 | Olin Mathieson | Legierung auf Kupferbasis |
US3773504A (en) * | 1970-12-28 | 1973-11-20 | I Niimi | Copper base alloy having wear resistance at high temperatures |
US4061430A (en) * | 1972-06-02 | 1977-12-06 | Montblanc-Simplo Gmbh. | Socket structure for the ball of a ball point pen refill |
JPS63130738A (ja) * | 1986-11-20 | 1988-06-02 | Nippon Mining Co Ltd | 快削銅合金 |
JP2606335B2 (ja) * | 1988-11-11 | 1997-04-30 | 三菱マテリアル株式会社 | 耐摩耗性のすぐれた高強度高靭性Cu基焼結合金 |
WO1990004657A1 (en) | 1988-10-26 | 1990-05-03 | Mitsubishi Metal Corporation | Copper-based sintered alloy |
JP2000238484A (ja) * | 1999-02-22 | 2000-09-05 | Pilot Corp | ボールペンチップ |
JP3693994B2 (ja) | 2002-12-04 | 2005-09-14 | 三宝伸銅工業株式会社 | 鉛低減快削性銅合金 |
CH693948A5 (fr) * | 2003-03-21 | 2004-05-14 | Swissmetal Boillat Sa | Alliage à base de cuivre. |
DE102005059391A1 (de) | 2005-12-13 | 2007-06-14 | Diehl Metall Stiftung & Co.Kg | Kupfer-Zink-Legierung sowie daraus hergestellter Synchronring |
DE102007029991B4 (de) | 2007-06-28 | 2013-08-01 | Wieland-Werke Ag | Kupfer-Zink-Legierung, Verfahren zur Herstellung und Verwendung |
EP2009122B1 (de) * | 2007-06-28 | 2014-10-08 | Wieland-Werke AG | Kupfer-Zink-Legierung, Verfahren zur Herstellung und Verwendung |
DE102009021336B9 (de) | 2009-05-14 | 2024-04-04 | Wieland-Werke Ag | Kupfer-Nickel-Zink-Legierung und deren Verwendung |
CN102851533A (zh) | 2012-09-26 | 2013-01-02 | 宁波正元铜合金有限公司 | 一种复杂黄铜及其制备方法和应用 |
-
2013
- 2013-05-24 DE DE102013008822.4A patent/DE102013008822A1/de not_active Withdrawn
-
2014
- 2014-05-15 US US14/777,218 patent/US9637808B2/en active Active
- 2014-05-15 MX MX2015010773A patent/MX364716B/es active IP Right Grant
- 2014-05-15 KR KR1020157023642A patent/KR102139186B1/ko active IP Right Grant
- 2014-05-15 WO PCT/EP2014/001321 patent/WO2014187544A1/de active Application Filing
- 2014-05-15 CN CN201480017900.5A patent/CN105209653A/zh active Pending
- 2014-05-15 EP EP14724648.2A patent/EP3004413B1/de active Active
- 2014-05-15 JP JP2016514293A patent/JP6254684B2/ja active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014187544A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP6254684B2 (ja) | 2017-12-27 |
KR20160012976A (ko) | 2016-02-03 |
EP3004413B1 (de) | 2017-05-03 |
JP2016524039A (ja) | 2016-08-12 |
US20160040269A1 (en) | 2016-02-11 |
DE102013008822A1 (de) | 2014-11-27 |
KR102139186B1 (ko) | 2020-07-30 |
MX2015010773A (es) | 2016-04-25 |
US9637808B2 (en) | 2017-05-02 |
CN105209653A (zh) | 2015-12-30 |
WO2014187544A1 (de) | 2014-11-27 |
MX364716B (es) | 2019-05-06 |
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