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ASTM E963-95(2000)

Historical Reaffirmation

Standard Practice for Electrolytic Extraction of Phases from Ni and Ni-Fe Base Superalloys Using a Hydrochloric-Methanol Electrolyte

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1.1 This practice covers a procedure for the isolation of carbides, borides, TCP (topologically close-packed), and GCP (geometrically close-packed) phases (Note 1) in nickel and nickel-iron base gamma prime strengthened alloys. Contamination of the extracted residue by coarse matrix (gamma) or gamma prime particles, or both, reflects the condition of the alloy rather than the techniques mentioned in this procedure.

1.2 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 and health practices and determine the applicability of regulatory limitations prior to use. (See 3.3.2.1 and 4.1.1.)

Note 1--Ni3 Ti (eta phase) has been found to be soluble in the electrolyte for some alloys.

SDO ASTM: ASTM International
Document Number E963
Publication Date Jan. 1, 2000
Language en - English
Page Count 4
Revision Level 95(2000)
Supercedes
Committee E04.11
Publish Date Document Id Type View
June 1, 2017 E0963-95R17 Revision
Jan. 1, 2000 E0963-95 Revision
April 1, 2010 E0963-95R10 Reaffirmation
Nov. 1, 2004 E0963-95R04 Reaffirmation
Jan. 1, 2000 E0963-95R00 Reaffirmation