Acta Metrologica Sinica  2023, Vol. 44 Issue (2): 203-210    DOI: 10.3969/j.issn.1000-1158.2023.02.07
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Research Progress of Laser Flash Method in Measuring Thermal Diffusivity of Solid Materials
ZHANG Jia-rui1,2,ZHANG Sheng-zi2,LIU Xiao-meng2,WANG Hong-jun2,ZHANG Ge1
1. School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
2. National Institute of Metrology, Beijing 100029, China
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Abstract  The laser flash method based on the transient principle is widely used and plays an important role in measuring thermal diffusivity of solid materials due to its advantages of small sample size and short test cycles. According to the research progress in the types of measurable materials, key technical problems, optimization and improvement of laser flash method in recent years, the application of laser flash method is introduced, and its research priorities, difficulties and research values are analyzed and summarized. Finally, the existing challenges and prospects of laser flash method are discussed, it will provide reference for the future application of laser flash method in more fields.
Key wordsmetrology;thermophysical parameter      thermal diffusivity      laser flash method      transient measurement     
Received: 12 April 2022      Published: 21 February 2023
PACS:  TB94  
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ZHANG Jia-rui
ZHANG Sheng-zi
LIU Xiao-meng
WANG Hong-jun
ZHANG Ge
Cite this article:   
ZHANG Jia-rui,ZHANG Sheng-zi,LIU Xiao-meng, et al. Research Progress of Laser Flash Method in Measuring Thermal Diffusivity of Solid Materials[J]. Acta Metrologica Sinica, 2023, 44(2): 203-210.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2023.02.07     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2023/V44/I2/203
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