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Standard Specification for Electroplated Engineering Nickel Coatings
| 분야 | 02.05 : 금속 및 무기질 피막, 금속분말 |
|---|---|
| 적용범위 | 1.1?This specification covers the requirements for electroplated nickel coatings applied to metal products for engineering applications, for example, for use as a buildup for mismachined or worn parts, for electronic applications, including as underplates in contacts or interconnections, and in certain joining applications. 1.2?Electroplating of nickel for engineering applications (Note 1) requires technical considerations significantly different from decorative applications because the following functional properties are important: 1.2.1?Hardness, strength, and ductility, 1.2.2?Wear resistance, 1.2.3?Load bearing characteristics, 1.2.4?Corrosion resistance, 1.2.5?Heat scaling resistance, 1.2.6?Fretting resistance, and 1.2.7?Fatigue resistance. Note 1:?Functional electroplated nickel coatings usually contain about 99?% nickel, and are most frequently electrodeposited from a Watts nickel bath or a nickel sulfamate bath. Typical mechanical properties of nickel electroplated from these baths, and the combined effect of bath operation and solution composition variables on the mechanical properties of the electrodeposit are given in Guide B832. When electroplated nickel is required to have higher hardnesses, greater wear resistance, certain residual stress values and certain leveling characteristics, sulfur and other substances are incorporated in the nickel deposit through the use of certain addition agents in the electroplating solution. For the effect of such additives, see Section 4 and Annex A3. Cobalt salts are sometimes added to the plating solution to produce harder nickel alloy deposits. 1.3?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
| 국제분류(ICS)코드 | 25.220.40 : 금속 도장 |
| 페이지수 | 8 |
| Edition | 97(2023) |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ASTM B689-97(2023) | Standard Specification for Electroplated Engineering Nickel Coatings | 2023-05-01 | 표준 |
| 2 | ASTM B689-97(2018)e1 | Standard Specification for Electroplated Engineering Nickel Coatings | 2018-06-01 | 구판 |
| 3 | ASTM B689-97(2018) | Standard Specification for Electroplated Engineering Nickel Coatings | 2018-06-01 | 구판 |
| 4 | ASTM B689-97(2013) | Standard Specification for Electroplated Engineering Nickel Coatings | 2013-12-01 | 구판 |
| 5 | ASTM B689-97(2008) | Standard Specification for Electroplated Engineering Nickel Coatings | 2008-08-01 | 구판 |
| 6 | ASTM B689-97(2003) | Standard Specification for Electroplated Engineering Nickel Coatings | 2003-02-10 | 구판 |
| 7 | ASTM B689-97 | Standard Specification for Electroplated Engineering Nickel Coatings | 1997-01-01 | 구판 |
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