Performance of some portable hardness testers

Kjeld Borggreen, Pertti Auerkari

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Seven often used portable hardness testers have been tested in both ideal and non-ideal situations against calibrated stationary equipment. To study the performance of the testers the sample orientation and the inclination of the tester to the sample surface were varied systematically. In addition, the thickness and the mass of the sample as well as the coupling between the sample and the support were varied. It was found that a couple of the testers were totally inapplicable for on-site use. The other testers performed well when certain strict precautions were taken with respect to sample geometry and size.
Original languageEnglish
Title of host publicationBALTICA V
Subtitle of host publicationCondition and Life Management for Power Plants
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Pages559-574
ISBN (Electronic)951-38-5717-4
ISBN (Print)951-38-5716-6
Publication statusPublished - 2001
MoE publication typeA4 Article in a conference publication
EventBALTICA V - Condition and Life Management for Power Plants - Porvoo, Finland
Duration: 6 Jun 20018 Jun 2001

Publication series

NameVTT Symposium
PublisherVTT
Number212
ISSN (Print)0357-9387
ISSN (Electronic)1455-0873

Conference

ConferenceBALTICA V - Condition and Life Management for Power Plants
Abbreviated titleBaltica V
CountryFinland
CityPorvoo
Period6/06/018/06/01

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Cite this

Borggreen, K., & Auerkari, P. (2001). Performance of some portable hardness testers. In BALTICA V: Condition and Life Management for Power Plants (pp. 559-574). Espoo: VTT Technical Research Centre of Finland. VTT Symposium, No. 212
Borggreen, Kjeld ; Auerkari, Pertti. / Performance of some portable hardness testers. BALTICA V: Condition and Life Management for Power Plants. Espoo : VTT Technical Research Centre of Finland, 2001. pp. 559-574 (VTT Symposium; No. 212).
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Borggreen, K & Auerkari, P 2001, Performance of some portable hardness testers. in BALTICA V: Condition and Life Management for Power Plants. VTT Technical Research Centre of Finland, Espoo, VTT Symposium, no. 212, pp. 559-574, BALTICA V - Condition and Life Management for Power Plants, Porvoo, Finland, 6/06/01.

Performance of some portable hardness testers. / Borggreen, Kjeld; Auerkari, Pertti.

BALTICA V: Condition and Life Management for Power Plants. Espoo : VTT Technical Research Centre of Finland, 2001. p. 559-574 (VTT Symposium; No. 212).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - Seven often used portable hardness testers have been tested in both ideal and non-ideal situations against calibrated stationary equipment. To study the performance of the testers the sample orientation and the inclination of the tester to the sample surface were varied systematically. In addition, the thickness and the mass of the sample as well as the coupling between the sample and the support were varied. It was found that a couple of the testers were totally inapplicable for on-site use. The other testers performed well when certain strict precautions were taken with respect to sample geometry and size.

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Borggreen K, Auerkari P. Performance of some portable hardness testers. In BALTICA V: Condition and Life Management for Power Plants. Espoo: VTT Technical Research Centre of Finland. 2001. p. 559-574. (VTT Symposium; No. 212).