厂商 :深圳市中天检测技术有限公司
广东 深圳- 主营产品:
- 纸箱耐破测试
- 电源振动测试
- 深圳电子产品防水测试
中天检测提供导热系数测试标准ASTM E 1461-01导热测试报价500元
如下为部分标准,如需要具体的资料请加访问百度中天检测直接电话或邮件联系。
Standard Test Method for Thermal Diffusivity by the Flash Method
This standard is issued under the fixed designation E 1461; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
super epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers the determination of the thermal
diffusivity of primarily homogeneous isotropic solid materials.
Thermal diffusivity values ranging from 10-7 to 10-3 m2/s are
readily measurable by this test method from about 75 to
2800 K.
1.2 This test method is a more detailed form of Test Method
C 714, but has applicability to much wider ranges of materials,
applications, and temperatures, with improved accuracy of
measurements.
1.3 This test method is applicable to the measurements
performed on materials opaque to the spectrum of the energy
pulse, but with special precautions can be used on fully or
partially transparent materials (see Appendix X1).
1.4 This test method is intended to allow a wide variety of
apparatus designs. It is not practical in a test method of this
type to establish details of construction and procedures to cover
all contingencies that might offer difficulties to a person
without pertinent technical knowledge, or to stop or restrict
research and development for improvements in the basic
technique.
1.5 This test method is applicable to the measurements
performed on essentially fully dense materials; however, in
some cases it has shown to produce acceptable results when
used with porous samples. Since the magnitude of porosity,
pore shapes, sizes and parameters of pore distribution influence
the behavior of the thermal diffusivity, extreme caution must be
exercised when analyzing data. Special caution is advised
when other properties, such as thermal conductivity, are
derived from thermal diffusivity obtained by this method.
1.6 This test method can be considered an absolute (or
primary) method of measurement, since no reference standards
are required. It is advisable to use reference materials to verify
the performance of the instrument used.
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