EP0849373B1 - Bandförmiges Verbundmaterial und Verfahren zu dessen Herstellung - Google Patents
Bandförmiges Verbundmaterial und Verfahren zu dessen Herstellung Download PDFInfo
- Publication number
- EP0849373B1 EP0849373B1 EP97121506A EP97121506A EP0849373B1 EP 0849373 B1 EP0849373 B1 EP 0849373B1 EP 97121506 A EP97121506 A EP 97121506A EP 97121506 A EP97121506 A EP 97121506A EP 0849373 B1 EP0849373 B1 EP 0849373B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tin
- composite material
- alloy
- oil
- base material
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
- C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/08—Tin or alloys based thereon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/939—Molten or fused coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12715—Next to Group IB metal-base component
Definitions
- the invention relates to a band-shaped composite material according to the preamble of claim 1.
- a targeted adjustment of the thickness of the intermetallic Phase (IMP) is carried out on subsequent hot-tinned strips Heat treatment in hood, pull-through or suspension belt furnaces at temperatures between 150 to 180 ° C and Glow times z. B. in home ovens of over 16 h. With galvanic tinned strips undergo additional reflow treatment with IR radiation or hot air to by melting the Tin better solderability and / or better adhesive strength of the tin on the base material. In In both cases, however, the surface is slightly oxidized or not protected against further oxidation, so that a permanent low contact resistance even under mechanical Load is not guaranteed.
- the invention is therefore based on the object, a band-shaped Composite material of the type mentioned with an oxide-free surface indicate the good wear and corrosion resistance having.
- the incorporation of carbon in the Sn layer leads to Improvement of friction behavior, d. H. for connectors to reduce the insertion and pulling force, for improvement corrosion resistance, especially resistance to Fretting corrosion and thus ensuring a constant Contact resistance during the life of for example connectors.
- the oil can, for example by ultrasonic treatment in acetone, do not remove.
- the bond states can be different. There are however no oxidic bond structures of the main elements in front.
- the base material is preferably made of copper or one Copper alloy, made of iron or an iron alloy Nickel or a nickel alloy, made of zinc or one Zinc alloy.
- a method for producing the composite material according to the invention is characterized in that the tinned Base material with a residence time of 1 to 130 min a hot oil bath is drawn, which is an oil on paraffin and / or ester and / or fatty acid base, both natural as well as synthetic origin with common additives, contains and its temperature T above the melting point the respective tinning.
- the hot oil bath contains preferably a paraffin oil or paraffin-based solvent raffinates and is free of chlorine or PCB.
- the temperature lies above the melting point of the respective tinning: for pure tin, preferably 240 ° C, for SnPb 200 ° C, at SnAg0.5Sb1 250 ° C.
- the dwell time is preferably 2 up to 4 min.
- the intermetallic phase depends on the layer thickness and temperature / time treatment to 10 to 100% of the total tin layer thickness set.
- the Sn surface then shows a high-gloss surface, which is corrosion-resistant, in particular, however, is resistant to fretting corrosion.
- the static Contact resistance changes due to the oil treatment Not. This reduces the frictional forces by 20 to 75%.
- the composite material in a cold oil bath on paraffin and / or ester and / or fatty acid base both natural as well as synthetic origin with common additives a temperature of 5 to 50 ° C, in particular 10 to 30 ° C, to deter. This quenching the C content in the Sn layer continues to increase.
- the dwell time of the composite material in the cold oil bath is preferably 2 to 10 min.
- oil is applied to paraffin and / or ester and / or fatty acid base, both natural as well as synthetic origin with common additives, directly after tinning the base material to the still hot tin coating sprayed on.
- the oil is here not too "tied” to the tin plating compared to the untreated tinning are positive influences, especially with regard to fretting corrosion, measurable.
- the oil bath temperature must be above the melting point of the respective tinning. If the belt 1 is brought up to temperature inductively and then moves into the oil bath 2, there is a risk of dewetting and the "dog bone effect".
- a smoke extraction 9 is integrated in the highest point of the hot oil tract 3.
- the strip 1 After deflection by a roller 11 for quenching without air supply, the strip 1 runs through a thermal lock 10 into a cooled oil bath 4 with a temperature of 5 to 50 ° C., preferably 10 to 30 ° C.
- a temperature of 5 to 50 ° C. preferably 10 to 30 ° C.
- the excess oil is wiped off with blow-off nozzles 12 or squeezing rollers and the strip 1 is wound up after passing through a deflection roller 13 (reel 14, not shown).
- the hot oil 2 is circulated with an integrated heating area.
- the cold oil 4 is circulated with an integrated recooling device.
- the sequence 15 is only for maintenance.
- a CuSn6 bronze tape measuring 0.63 mm x 80 mm was hot-tinned with pure tin (layer thickness ⁇ 1.8 mm) and then oil-treated in a bath from a commercially available, paraffin-based solvent raffinate (the respective treatment parameters are in column I of the table below listed).
- Table II of the table shows the layer thickness on the front (VS) and back (RS) of the tape.
- layer thickness refers to this case, the total thickness of the free Sn layer and the intermetallic phase (IMP), while the coulometrically measured layer thickness only affects the free Sn layer. The difference is the thickness of the IMP.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating With Molten Metal (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemically Coating (AREA)
- Gasket Seals (AREA)
- Lubricants (AREA)
Description
Eine Rauchabsaugung 9 ist im höchsten Punkt des Heißöltraktes 3 integriert.
Durch eine thermische Schleuse 10 läuft das Band 1 nach Umlenkung durch eine Rolle 11 zum Abschrecken ohne Luftzufuhr in ein gekühltes Ölbad 4 mit einer Temperatur von 5 bis 50 °C, vorzugsweise 10 bis 30 °C. Beim Austauchen aus dem Ölbad 4 wird das überschüssige Öl mit Abblasdüsen 12 oder Abquetschrollen abgestreift und das Band 1 nach Passieren einer Umlenkrolle 13 aufgehaspelt (nicht näher dargestellte Aufhaspel 14). Das heiße Öl 2 wird im Kreislauf mit integriertem Heizbereich gefahren. Das kalte Öl 4 wird im Kreislauf mit integrierter Rückkühleinrichtung gefahren. Der Ablauf 15 dient nur der Wartung.
I | II | III | IV | |
Behandlung (A 1.) = Abschrecken) | Schichtdicke RFA [µm] Coul | C-Gehalt in At.-% 0 → 2 µm Tiefe | Fretting Corrosion [mΩ / Zyklen] | |
(VS/RS) | (VS/RS) | |||
Ausgangszustand | 1,5/1,7 | 1,1/1,5 | 0,7 % → 0 % | 1000 / 1250 |
195 °C/1 min | 1,5/1,7 | 0,8/1,3 | 6 % → 0,8 % | 1000 / 2080 |
195 °C/4 min A 1.) | 1,5/1,8 | 0,8/0,7 | 1 % → 0,6 % | 1000 / 1850 |
250 °C/4 min | 1,4/1,8 | n.n.2.)/0,2 | 10 % → 0,1 % | 3,8 / 5000 |
250 °C/4 min A 1.) | 1,4/1,8 | n.n.2.)/n.n2.) | 25,8 % → 0,1 % | 2,6 / 5000 |
n.n.2.) = nicht nachweisbar |
Claims (9)
- Bandförmiges Verbundmaterial mit einem Grundmaterial aus Metall oder einer Metall-Legierung und mit einer galvanisch oder durch Schmelzverzinnen aufgebrachten Oberflächenbeschichtung aus Rein-Zinn oder einer Zinn-Legierung, wobei zwischen beiden Materialien eine intermetallische Phase (IMP) ausgebildet ist,
dadurch gekennzeichnet,
daß in einem äußeren Randabschnitt der Zinn-Beschichtung bis zu einer Dicke D von etwa 2 µm 1 bis 50 At.-% Kohlenstoff (C) eingelagert sind. - Verbundmaterial nach Anspruch 1, dadurch gekennzeichnet,
daß 6 bis 30 At.-% C eingelagert sind. - Verbundmaterial nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß das Grundmaterial aus Kupfer oder einer Kupfer-Legierung, aus Eisen oder einer Eisen-Legierung, aus Nickel oder einer Nickel-Legierung, aus Zink oder einer Zink-Legierung besteht. - Verfahren zur Herstellung des Verbundmaterials nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet,
daß das verzinnte Grundmaterial bei einer Verweildauer von 1 bis 130 min durch ein heißes Ölbad gezogen wird, welches ein Öl auf Paraffin- und/oder Ester- und/oder Fettsäurebasis, sowohl natürlichen als auch synthetischen Ursprungs mit üblichen Additiven, enthält und dessen Temperatur T oberhalb des Schmelzpunkts der jeweiligen Verzinnung liegt. - Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß die Verweildauer 2 bis 4 min beträgt.
- Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet,
daß das Verbundmaterial unmittelbar nach der Ölbehandlung in einem kalten Ölbad auf Paraffin- und/oder Ester- und/oder Fettsäurebasis, sowohl natürlichen als auch synthetischen Ursprungs mit üblichen Additiven, bei einer Temperatur von 5 bis 50 °C abgeschreckt wird. - Verfahren nach Anspruch 6, dadurch gekennzeichnet,
daß bei einer Temperatur von 10 bis 30 °C abgeschreckt wird. - Verfahren nach Anspruch 6 oder 7, dadurch gekennzeichnet,
daß die Verweildauer des Verbundmaterials im kalten Ölbad 2 bis 10 min beträgt. - Verfahren zur Herstellung des Verbundprofils nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet,
daß Öl auf Paraffin- und/oder Ester- und/oder Fettsäurebasis, sowohl natürlichen als auch synthetischen Ursprungs mit üblichen Additiven, direkt nach der Verzinnung des Grundmaterials auf die noch heiße Zinn-Beschichtung aufgesprüht wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19652987A DE19652987C2 (de) | 1996-12-19 | 1996-12-19 | Bandförmiges Verbundmaterial sowie Verfahren und Vorrichtung zu dessen Herstellung |
DE19652987 | 1996-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0849373A1 EP0849373A1 (de) | 1998-06-24 |
EP0849373B1 true EP0849373B1 (de) | 2001-03-21 |
Family
ID=7815341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97121506A Expired - Lifetime EP0849373B1 (de) | 1996-12-19 | 1997-12-06 | Bandförmiges Verbundmaterial und Verfahren zu dessen Herstellung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6099977A (de) |
EP (1) | EP0849373B1 (de) |
JP (1) | JPH10195692A (de) |
CN (1) | CN1168844C (de) |
DE (2) | DE19652987C2 (de) |
ES (1) | ES2156330T3 (de) |
MY (1) | MY125545A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1369504A1 (de) * | 2002-06-05 | 2003-12-10 | Hille & Müller | Metallband zur Herstellung von elektrischen Verbindungskomponenten |
DE10248803A1 (de) | 2002-10-19 | 2004-04-29 | Robert Bosch Gmbh | Elektrische Kontaktoberflächen |
JP4739734B2 (ja) * | 2003-11-28 | 2011-08-03 | ヴィーラント ウェルケ アクチーエン ゲゼルシャフト | 電子機械的構成要素用の複合材を製造するための連続層、その複合材及び使用方法 |
JP4749746B2 (ja) * | 2005-03-24 | 2011-08-17 | Dowaメタルテック株式会社 | 錫めっき材およびその製造方法 |
JP6476227B2 (ja) * | 2017-03-31 | 2019-02-27 | Jx金属株式会社 | 銅又は銅合金の板条並びにトラバースコイル及びその製造方法 |
CN110724899A (zh) * | 2019-11-27 | 2020-01-24 | 云南电网有限责任公司电力科学研究院 | 一种电力金具的防腐蚀方法 |
CN116377537B (zh) * | 2023-03-29 | 2023-11-14 | 扬州市景杨表面工程有限公司 | 新能源汽车石墨碳片新型节能电镀工艺 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE569612A (de) * | ||||
GB191202423A (en) * | 1912-01-30 | 1912-12-12 | Bernhard Loewy | A Process for the Production of Non-porous Electro-deposited Coating upon Metal Sheets. |
US2274963A (en) * | 1938-08-10 | 1942-03-03 | Crucible Steel Company | Process for plating tin and tin alloys |
GB665447A (en) * | 1947-02-24 | 1952-01-23 | Bataafsche Petroleum | Improvements in or relating to metal coating |
GB665449A (en) * | 1947-04-12 | 1952-01-23 | Bataafsche Petroleum | Improvements in or relating to metal coating |
GB665448A (en) * | 1947-04-12 | 1952-01-23 | Bataafsche Petroleum | Improvements in or relating to metal coating |
US2721149A (en) * | 1950-05-19 | 1955-10-18 | Sinclair Refining Co | Art of tin plating |
FR2227346B1 (de) * | 1973-04-25 | 1976-11-12 | Stephanois Rech Mec | |
US3975216A (en) * | 1975-01-31 | 1976-08-17 | Chevron Research Company | Wax-flux composition containing a diester of sulfomalic acid for soldering |
JPS6011822B2 (ja) * | 1980-01-24 | 1985-03-28 | アルプス電気株式会社 | チユ−ナ等のシヤ−シの製造方法 |
JPS5928590A (ja) * | 1982-08-10 | 1984-02-15 | Nippon Steel Corp | 片面錫メツキ鋼板の鉄面酸化防止方法 |
GB8924870D0 (en) * | 1989-11-03 | 1989-12-20 | Lymn Peter P A | Solder leveller |
KR930019848A (ko) * | 1992-01-04 | 1993-10-19 | 존 알. 코렌 | 내후성 박편 지붕재료 및 제조방법 |
US5491036A (en) * | 1992-03-27 | 1996-02-13 | The Louis Berkman Company | Coated strip |
US5780172A (en) * | 1995-12-18 | 1998-07-14 | Olin Corporation | Tin coated electrical connector |
-
1996
- 1996-12-19 DE DE19652987A patent/DE19652987C2/de not_active Expired - Fee Related
-
1997
- 1997-11-28 MY MYPI97005740A patent/MY125545A/en unknown
- 1997-12-05 CN CNB971143609A patent/CN1168844C/zh not_active Expired - Fee Related
- 1997-12-06 ES ES97121506T patent/ES2156330T3/es not_active Expired - Lifetime
- 1997-12-06 EP EP97121506A patent/EP0849373B1/de not_active Expired - Lifetime
- 1997-12-06 DE DE59703183T patent/DE59703183D1/de not_active Expired - Lifetime
- 1997-12-15 US US08/990,606 patent/US6099977A/en not_active Expired - Fee Related
- 1997-12-17 JP JP9363949A patent/JPH10195692A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0849373A1 (de) | 1998-06-24 |
DE19652987C2 (de) | 2000-10-05 |
JPH10195692A (ja) | 1998-07-28 |
MY125545A (en) | 2006-08-30 |
CN1195034A (zh) | 1998-10-07 |
CN1168844C (zh) | 2004-09-29 |
US6099977A (en) | 2000-08-08 |
DE19652987A1 (de) | 1998-06-25 |
DE59703183D1 (de) | 2001-04-26 |
ES2156330T3 (es) | 2001-06-16 |
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