METADEX
METADEX is the only
comprehensive source for information on metals and
alloys: their properties, manufacturing, applications,
and development. Begun in 1966, METADEX contains over
1,425,000 references and is the database equivalent of
Metals Abstracts, Metals Abstracts Index, and Alloys
Index.
Sources covered include over 3,000 periodicals,
conference proceedings, technical reports, trade
journal/newsletter items, patents, books, and press
releases.
Dates of Coverage
Approximately
1966-current. The oldest record in the database has a
publication date of 1939; about 50% of its records
have publication dates of 1986 or later.
Update Frequency
Once a month.
Approximately 45,000 new records are added per year.
Size
Over 1,552,245 records
as of February 2007
Thesaurus
The database is indexed
using a master authority file of about 40,000
controlled-vocabulary terms. Older records in this
database were indexed using a file-specific thesaurus;
this thesaurus has now been incorporated into the
master authority file.
Print Equivalent
Supplier
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Fax: +1 301-961-6720
Email: sales@csa.com
Sample Record
|
TI: |
Title
Effect of cooling after welding on microstructure
and mechanical properties of 12% Cr steel weld
metals |
|
AU: |
Author
Cai, G-J; Andren, H-O; Svensson, L-E |
|
AF: |
Affiliation
Southwest Jiaotong University; Chalmers University
of Technology; ESAB |
|
SO: |
Source
Metallurgical and Materials Transactions A (USA),
vol. 28A, no. 7, pp. 1417-1428A, July 1997
|
|
NT: |
Notes
54 ref., Numerical Data, Photomicrographs
|
|
PB: |
Publisher
USA |
|
IS: |
ISSN
1073-5623 |
|
AB: |
Abstract
The microstructure of three 12% Cr steel weld
metals with different nickel and nitrogen contents
was studied in as-welded condition and after
postweld heat treatment with and without
intercooling. Tensile strength and impact
toughness of the weld metals were investigated in
different postweld heat treatment conditions. In
weld metals heat treated without intercooling,
austenite decomposed by a eutectoid reaction that
resulted in M sub 23 C sub 6 aggregates around
retained delta -ferrite. Two morphologies of M sub
2 N and MN precipitates were found in a
low-dislocation alpha -ferrite. In was concluded
that these phases were also transformed from
austenite. In weld metals heat treated with
intercooling, M sub 23 C sub 6 precipitates were
smaller and more homogeneously distributed.
Different MN precipitates were found in the
tempered martensite. The fracture mode of the weld
metals at room temperature was mainly
transgranular cleavage with some fibrous fracture.
Intercooling treatment improved Charpy impact
toughness of the 12% Cr steel weld metals
substantially. It was found that the important
microstructural factors affecting the impact
toughness of the weld metals which were heat
treated without intercooling were the sizes of the
alpha -ferrite grains, nonmetallic inclusions, and
M sub 23 C sub 6 aggregates. For the weld metals
heat treated with intercooling, the factors which
affect the toughness of the weld metals were the
sizes of martensite packets and nonmetallic
inclusions. |
|
LA: |
Language
English |
|
PY: |
Publication Year
1997 |
|
PT: |
Publication Type
Journal Article |
|
DE: |
Descriptors
Journal Article; Martensitic stainless steels,
Welding; Heat resistant steels, Welding; Chromium
steels, Welding; Welded joints, Mechanical
properties; Tensile strength, Cooling effects;
Impact strength, Cooling effects; Precipitation,
Cooling effects; Transgranular fracture, Cooling
effects; Grain size, Cooling effects |
|
ML: |
Material
12Cr; 12Cr; 12Cr |
|
MC: |
Material
Classification
SSM, Martensitic stainless steels; SAHR, Heat
resistant steels; SAC, Chromium steels
|
|
CL: |
Classification
55 Joining |
|
EM: |
Entry Month
9710 |
|
SF: |
Subfile Name
METADEX |
|
AN: |
Accession Number
199710-55-1924 |
Field Codes
The following field
codes are found in the records of this database. Here
they are listed in alphabetical order by two-letter
code.
| AB = Abstract
|
ML = Material |
| AF = Author
Affiliation |
NT = Notes
|
| AN = Accession
Number |
NU = Other Numbers
|
| AU = Author
|
OT = Original
Title |
| CF = Conference
|
PA = Patent
Application (Date) |
| CL =
Classification |
PB = Publisher
|
| DE = Descriptors
|
PC = Patent
Country |
| EM = Entry Month
|
PT = Publication
Type |
| IB = ISBN
|
PY = Publication
Year |
| ID = Identifier
|
SF = Subfile Name
|
| IS = ISSN
|
SO = Source
|
| LA = Language
|
TI = Title
|
| MC = Material
Classification |
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