Published June 1977 | Version v1
Journal article Metadata-only

Strengthening by ordered precipitates in a Ni--Ni4Mo system

Creators

  • 1. Georgia Inst. of Tech., Atlanta

Description

The strength characteristics and microstructures of aged Ni-Mo alloys containing ordered (Ni4Mo) precipitates were studied as a function of aging time and temperature. It was found that 17 at. percent Mo alloy aged at 7500C produced a uniform dispersion of cuboidal β precipitates which coarsened with time producing a gradual increase in flow stress. The flow stress increment was found to vary in qualitative agreement with both order strengthening and coherency strain models. Both these models give over-estimates of the strengthening increment. A negative dependence of flow stress on temperature is attributed to coherency strain contributions

Additional details

Identifiers

DOI
10.1007/bf02661576;

Publishing Information

Journal Title
Metallurgical Transactions A
Journal Volume
8
Journal Issue
6
Series
Metall. Trans., A.
Journal Page Range
939-943
ISSN
0360-2133

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
9357276
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
AGING; FLOW STRESS; MICROSTRUCTURE; MOLYBDENUM ALLOYS; NICKEL ALLOYS
Descriptors DEC
ALLOYS; CRYSTAL STRUCTURE; STRESSES; TRANSITION ELEMENT ALLOYS

Optional Information

Notes
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