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Article: Improvement on thermal diffusivity measurement repeatability of laser flash method

TitleImprovement on thermal diffusivity measurement repeatability of laser flash method
Authors
Liu, J-QSun, J-PZhang, J-TCheng, Y-F
KeywordsEmi
Labview
Laser Flash Method
Metrology
Repeatability
Issue Date2008
Citation
Jiliang Xuebao/Acta Metrologica Sinica, 2008, v. 29 n. 6, p. 280-282 How to Cite?
AbstractElectromagnetic interference (EMI) disturbs significantly thermal diffusivity measurements by laser flash method. This paper presented a progress in suppressing EMI by developing a new amplifier, programming a new software of digital filters, promoting the stability of furnace and applying a high performance data acquisition card. A armco iron sample whose thickness is 2.88mm was measured once again, the repeatability was observed to be improved from the previous 1%-3% into the present less than 8‰.
Persistent Identifierhttp://hdl.handle.net/10722/91289
ISSN
1000-1158
2023 SCImago Journal Rankings: 0.233

 

DC FieldValueLanguage
dc.contributor.authorLiu, J-Qen_HK
dc.contributor.authorSun, J-Pen_HK
dc.contributor.authorZhang, J-Ten_HK
dc.contributor.authorCheng, Y-Fen_HK
dc.date.accessioned2010-09-17T10:16:17Z-
dc.date.available2010-09-17T10:16:17Z-
dc.date.issued2008en_HK
dc.identifier.citationJiliang Xuebao/Acta Metrologica Sinica, 2008, v. 29 n. 6, p. 280-282en_HK
dc.identifier.issn1000-1158en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91289-
dc.description.abstractElectromagnetic interference (EMI) disturbs significantly thermal diffusivity measurements by laser flash method. This paper presented a progress in suppressing EMI by developing a new amplifier, programming a new software of digital filters, promoting the stability of furnace and applying a high performance data acquisition card. A armco iron sample whose thickness is 2.88mm was measured once again, the repeatability was observed to be improved from the previous 1%-3% into the present less than 8‰.en_HK
dc.languageengen_HK
dc.relation.ispartofJiliang Xuebao/Acta Metrologica Sinicaen_HK
dc.subjectEmien_HK
dc.subjectLabviewen_HK
dc.subjectLaser Flash Methoden_HK
dc.subjectMetrologyen_HK
dc.subjectRepeatabilityen_HK
dc.titleImprovement on thermal diffusivity measurement repeatability of laser flash methoden_HK
dc.typeArticleen_HK
dc.identifier.emailCheng, Y:yuecheng@hku.hken_HK
dc.identifier.authorityCheng, Y=rp1320en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-60149086053en_HK
dc.identifier.volume29en_HK
dc.identifier.issue6en_HK
dc.identifier.spage280en_HK
dc.identifier.epage282en_HK
dc.identifier.issnl1000-1158-

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