Standard Test Method for Measurement of Fracture Toughness(ASTM E1820-20ae1).pdf
断裂韧性测试方法
节选段落一：
Designation: E1820 − 20a´1
Standard Test Method for
Measurement of Fracture Toughness1
This standard is issued under the fixed designation E1820; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.节选段落二：
Materials
E399 Test Method for Linear-Elastic Plane-Strain Fracture
Toughness of Metallic Materials
E1290 Test Method for Crack-Tip Opening Displacement
(CTOD) Fracture Toughness Measurement (Withdrawn
2013)3
E1823 Terminology Relating to Fatigue and Fracture Testing
E1921 Test Method for Determination节选段落三：
Precision and Bias
11.1 Bias—There is no accepted “standard” value for any of
the fracture toughness criteria employed in this test method.
Designation: E1820 − 20a´1
Standard Test Method for
Measurement of Fracture Toughness1
This standard is issued under the fixed designation E1820; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.节选段落二：
Materials
E399 Test Method for Linear-Elastic Plane-Strain Fracture
Toughness of Metallic Materials
E1290 Test Method for Crack-Tip Opening Displacement
(CTOD) Fracture Toughness Measurement (Withdrawn
2013)3
E1823 Terminology Relating to Fatigue and Fracture Testing
E1921 Test Method for Determination节选段落三：
Precision and Bias
11.1 Bias—There is no accepted “standard” value for any of
the fracture toughness criteria employed in this test method.
