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Quantum mechanics basis of quality control in hard metals
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0002-6794-6744
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0003-4825-7430
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2019 (English)In: Acta Materialia, ISSN 1359-6454, E-ISSN 1873-2453, Vol. 169, p. 1-8Article in journal (Refereed) Published
Abstract [en]

Non-destructive and reliable quality control methods are a key aspect to designing, developing and manufacturing new materials for industrial applications and new technologies. The measurement of the magnetic saturation is one of such methods and it is conventionally employed in the cemented carbides industry. We present a general quantum mechanics based relation between the magnetic saturation and the components of the binder phase of cemented carbides, which can be directly employed as a quality control. To illustrate our results, we calculate the magnetic saturation of a binder phase, 85Ni15Fe binary alloy, using ab-initio methods and compare the theoretical predictions to the magnetic saturation measurements. We also analyse interface and segregation effects on the magnetic saturation by studying the electronic structure of the binder phase. The excellent agreement between calculations and measurements demonstrates the applicability of our method to any binder phase. Since the magnetic saturation is employed to ensure the quality of cemented carbides, the present method allows us to explore new materials for alternative binder phases efficiently.

Place, publisher, year, edition, pages
Acta Materialia Inc , 2019. Vol. 169, p. 1-8
Keywords [en]
Ab-initio calculations, Binder phase, Hard metal, Magnetic saturation
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-246425DOI: 10.1016/j.actamat.2019.02.036ISI: 000465365300001Scopus ID: 2-s2.0-85062451846OAI: oai:DiVA.org:kth-246425DiVA, id: diva2:1300957
Note

QC 20190401

Available from: 2019-04-01 Created: 2019-04-01 Last updated: 2019-10-24Bibliographically approved

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Xie, RuiwenLinder, DavidHou, ZiyongStröm, ValterLi, WeiVitos, Levente

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