ASTM-E963 2004

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E963-95(2004) Standard Practice for Electrolytic Extraction of Phases from Ni and Ni-Fe Base Superalloys Using a Hydrochloric-Methanol Electrolyte

Published By	Publication Date	Number of Pages
ASTM	2004	4

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Categories: 77.120.40 - Nickel, chromium and their alloys, ASTM

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Description

ASTM E963-95-Reapproved2004

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

ASTM E963

Scope

1.1 This practice covers a procedure for the isolation of carbides, borides, TCP (topologically close-packed), and GCP (geometrically close-packed) phases (Note 0) 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.

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.

Keywords

borides; carbides; electrolytic extraction; Gamma prime; GCP phases; superalloys; TCP phases

ICS Code

ICS Number Code 77.120.40 (Nickel, chromium and their alloys)

DOI: 10.1520/E0963-95R04

PDF Catalog

PDF Pages	PDF Title
1	Scope Terminology Significance and Use Apparatus
2	Reagents Procedure FIG. 1
4	Keywords

Additional information

Standard Title	E963-95(2004) Standard Practice for Electrolytic Extraction of Phases from Ni and Ni-Fe Base Superalloys Using a Hydrochloric-Methanol Electrolyte
Published Code	ASTM
Publication Date	2004
Pages Count	4
ICS Codes	77.120.40 - Nickel, chromium and their alloys