ASTM B689 PDF

ASTM B rp ASTM B Designation: B — 97 Reapproved Standard Speci? A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.

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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 B 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. 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.

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Bright Nickel Plating

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 B 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. 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.

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ASTM B 689 – 97 pdf free download

APT has the ability to underplate with copper plating if required or specified to enhance adhesion and corrosion resistance of the final deposit. For applications that demand the highest in ductility, our company offers a proprietary process called Ducta-bright 7a nickel. It is unmatched in ductility and adhesion for demanding applications that require a nickel deposit that can be staked, bent or formed post-plate. Nickel is a silvery-white metal with a slight golden or yellow hue. As-deposited electrolytic nickel can have a very bright reflective shine, a satin appearance, or a full-dull matte luster. Nickel is one of the four ferromagnetic materials at room temperature and is a fairly reactive element. However, nickel deposits are slow to react in standard atmospheric environments due to the formation of a protective, oxide surface, providing excellent corrosion performance on most products.

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Active view current version of standard. Other Historical Standards. More B It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Scope 1.

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