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Different reinforcement strategies of hybrid surface composite AA6061/(B4C+MoS2) produced by friction stir processing: Verschiedene Strategien beim Rührreibschweißen zur Verstärkung von Hybrid‐Oberflächenverbundwerkstoffen aus AA6061/(B4C+MoS2)
Government Engineering College, Gandhinagar, GUJARAT 382028, India (IND).
University West, Department of Engineering Science, Division of Welding Technology. Northwestern Polytechnical University, School of Materials Science and Engineering, SHAANXI, China (CHN); Pandit Deendayal Petroleum University, Gandhinagar, GUJARAT 382007, India (IND). (PTW)ORCID iD: 0000-0002-9015-7372
Pandit Deendayal Petroleum University, Gandhinagar, GUJARAT 382007, India (IND).
Pandit Deendayal Petroleum University, Gandhinagar, GUJARAT 382007, India (IND).
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2020 (English)In: Materialwissenschaft und Werkstofftechnik, ISSN 0933-5137, E-ISSN 1521-4052, Vol. 51, no 11, p. 1493-1506Article in journal (Refereed) Published
Abstract [en]

Aluminum surface composites have gained huge importance in material processing due to their noble tribological characteristics. The reinforcement of solid lubricant particles with hard ceramics further enriches the tribological characteristics of surface composites. In the current study, friction stir processing was chosen to synthesize hybrid surface composites of aluminum containing B4C and MoS2 particles with anticipated improved tribological behavior. B4C and MoS2 powder particles in 87.5: 12.5 ratio were reinforced into the AA6061 by hole and groove method. Microstructural observations indicated that reinforcement particles are well distributed in the matrix. The hardness and wear resistance of hybrid surface composites improved as compared to the base material, due to well distributed abrasive B4C and solid lubricant MoS2 particles in AA6061. The hybrid surface composites achieved ~32 % increased average hardness as compared to the base material. Hole method revealed ~13 % better wear resistance compared to the groove method for friction stir processed hybrid surface composite, attributing to an improved homogeneity of particle distribution shown by zigzag hole pattern. Moreover, friction stir processed AA6061 without reinforcement particles exhibited reduced hardness and wear resistance due to loss of strengthening precipitates during multi-pass friction stir processing. © 2020 Wiley-VCH GmbH

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2020. Vol. 51, no 11, p. 1493-1506
Keywords [en]
Aluminum; Boron carbide; Friction; Hardness; Layered semiconductors; Molybdenum compounds; Solid lubricants; Tribology; Wear of materials; Wear resistance, Friction stir processing; Micro-structural observations; Multi-pass friction stir processing; Particle distributions; Reinforcement particles; Reinforcement strategies; Tribological behaviors; Tribological characteristics, Reinforcement
Keywords [de]
B4C / MoS2/ Rührreibschweißen / Oberflächenverbundwerkstoffe / hybrid / Verschleißbeständigkeit
National Category
Manufacturing, Surface and Joining Technology
Research subject
Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-16027DOI: 10.1002/mawe.202000130ISI: 000587728300005Scopus ID: 2-s2.0-85095708424OAI: oai:DiVA.org:hv-16027DiVA, id: diva2:1501204
Note

Verschiedene Strategien beim Rührreibschweißen zur Verstärkung von Hybrid-Oberflächenverbundwerkstoffen aus AA6061/(B4C+MoS2)

Available from: 2020-11-16 Created: 2020-11-16 Last updated: 2021-04-29Bibliographically approved

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Patel, Vivek

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