JIS Z2271-2010 金属材料.拉伸中的单轴蠕变测定.测试方法

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JIS Z 2271
:2010
(JISF)
JAPANESE
INDUSTRIAL
STANDARD
Translated
and
Published
by
Japanese
Standards
Association
Metallic
materials-
Uniaxial
creep
testing
in
tension
-
Method
of
test
ICS
77.040.10
Reference
number:
JIS
Z
2271
:
2010
(E)
PROTECTED
BY
COPYRIGHT 27 S
Z
2271
:
2010
Date
of
Establishment:
1956-10-02
Date
of
Revision:
2010-10-20
Date
of
Public
Notice
in
Official
Gazette:
2010-10-20
Investigated
by:
Japanese
Industrial
Standards
Committee
© JSA 2011
Standards
Board
Technical
Committee
on
Iron
and
Steel
JIS Z
2271:
2010,
First
English
edition
published
in
2011-03
Translated
and
published
by:
Japanese
Standards
Association
4-1-24,
Akasaka,
Minato-ku,
Tokyo,
107-8440
JAPAN
In
the
event
of
any
doubts
arising
as
to
the
contents,
the
original
JIS is
to
be
the
final
authority.
All
rights
reserved.
Unless
otherwise
specified,
no
part
of
this
publication
may
be
reproduced
or
utilized
in
any
form
or
by
any
means,
electronic
or
mechanical,
including
photocopying
and
microfilm,
without
permission
in
writing
from
the
publisher.
Printed
in
Japan
AT
PROTECTED
BY
COPYRIGHT
Z 2271 : 2010
Contents
Page
Introduction·········································· ...................................................... ·························1
1 Scope················································· ...................................................... ···················1
2
Normative
references
...................................................... ········································1
3
Terms
and
definitions
............................................................................................. 2
4
Symbols
and
designations
...................................................... ································5
5
Principle
............................................................................................................ ········7
6
Apparatus
................................................................................................................. 7
6.1
Testing
machine
....................................................................................................... 7
6.2
Elongation
measuring
device
...................................................... ···························7
6.3
Heating
device················································ ......................................................
····8
7
Test
pieces
.............................................................................................................. 11
7.1
Shape
and
dimensions
.......................................................................................... 11
7.2
Preparation
of
test
piece
...................................................... ································12
7.3
Determination
of
original
cross-sectional
area····························· .................... 13
7.4
Marking
of
original
gauge
length
(Lo)
......................................................
··········13
7.5
Determination
of
reference
length
(Lr)
......................................................
·········13
8
Test
procedure
........................................................................................................
14
8.1
Heating
of
test
piece
...................................................... ·······································14
8.2
Application
of
test
force ........................................................................................
14
8.3
Test
interruptions
...................................................... ············································14
8.4
Recording
of
temperature
and
elongation
............................................ ··············15
9
Test
results
............................................................................................................. 16
10
Test
validity
...................................................... ·····················································16
11
Accuracy
of
results
...................................................... ··········································16
11.1
Expression
of
results
...................................................... ·······································16
11.2
Uncertainty
of
test
results
...................................................... ·····························16
12
Test
report
............................................................................................................
··17
Annex
A
(informative)
Information
concerning
different
types
of
thermocouples
...................................................... ···················22
Annex
B
(informative)
Information
concerning
methods
of
calibration
of
thermocouples
...................................................... ···················23
Annex
C
(normative)
Creep
testing
using
test
pieces
with
V
or
blunt
circumferential
notches
...........................................................
24
(i)
PROTECTED
BY
COPYRIGHT

标签： #金属材料 #拉伸 #金属

摘要：

本页面详细介绍日本工业标准JIS Z2271-2010《金属材料.拉伸中的单轴蠕变测定.测试方法》，该标准是金属材料在恒定温度与单向拉伸应力作用下进行单轴蠕变试验的核心依据。标准规定了从试验设备、试样制备、恒温控制到蠕变应变测量的完整技术流程，适用于评估金属材料在高温长期负载下的变形行为与持久强度。本内容帮助工程师与质检人员快速理解该规范的测试条件、数据处理及结果评定要求，为金属材料蠕变性能认证和比对提供权威参考。

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