University of Cambridge

Wear


Role of fracture toughness in impact-abrasion wear

A. R. Chintha, K. Valtonen, V.-T. Kuokkala, S. Kundu, M.J. Peet, H.K.D.H. Bhadeshia

Abstract

Two new low alloyed steels have been developed with different fracture toughness values but at similar level of hardness with same composition and microstructural phase. The steels were subjected to impact-abrasion wear test. This work examines specifically the additional role of toughness during impact-abrasion wear, using a newly developed high toughness steel. Microstructural characterisation of the damaged samples revealed that better toughness helps resist both impact and abrasion damage.

Wear 428-429 (2019) 430-437 https://doi.org/10.1016/j.wear.2019.03.028

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#Apparao visited the Tampere University of Technology in order to conduct a few critical experiments using the equipment there, courtesy of Professor Veli-Tapani Kuokkala and Kati Valtonen.




Wear, Apparao Chintha, Tampere University, tribology
Bags of granite used for wear testing		 Wear, Apparao Chintha, Tampere University, tribology
Bags of granite used for wear testing
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
Apparao's samples
Wear, Apparao Chintha, Tampere University, tribology
Dry pot wear tester		 Wear, Apparao Chintha, Tampere University, tribology
Pin-on-disc tester
Wear, Apparao Chintha, Tampere University, tribology
Jaw crusher		 Wear, Apparao Chintha, Tampere University, tribology
Jaw crusher
Wear, Apparao Chintha, Tampere University, tribology
Pin-on-disc machine		 Wear, Apparao Chintha, Tampere University, tribology
Granite for impeller-tumbler test, before and after completing the test.
Wear, Apparao Chintha, Tampere University, tribology
Iron balls for impact wear tests		 Wear, Apparao Chintha, Tampere University, tribology
Granite for impeller-tumbler test, before and after completing the test.
Wear, Apparao Chintha, Tampere University, tribology
Tumbler of impeller-tumbler test machine		 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
impeller-tumbler test machine		 Wear, Apparao Chintha, Tampere University, tribology
impeller-tumbler test machine
Wear, Apparao Chintha, Tampere University, tribology
Dry pot test machine		 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
Dry sand, three-body abrasion test
Wear, Apparao Chintha, Tampere University, tribology
Dry sand, three-body abrasion test		 Wear, Apparao Chintha, Tampere University, tribology
Dry sand, three-body abrasion test
Wear, Apparao Chintha, Tampere University, tribology
Erosion tester		 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
Hammer mill type impact wear testing device		 Wear, Apparao Chintha, Tampere University, tribology
Hammer mill type impact wear testing device
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
High velocity particle impactor
Wear, Apparao Chintha, Tampere University, tribology
High velocity particle impactor		 Wear, Apparao Chintha, Tampere University, tribology
High strain-rate tensile tester
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
sample for high strain-rate tensile test
Wear, Apparao Chintha, Tampere University, tribology
High strain-rate compression tester		 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
Testing drop-resistance of mobile telephones		 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
Professor Veli-Tapani Kuokkala
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
impeller-tumbler test with mounted samples from Apparao
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
Three dimensionally printed chocolates
Wear, Apparao Chintha, Tampere University, tribology
Three dimensionally printed chocolates		 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
 Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology
Professor Veli-Tapani Kuokkala, Kati Valtonen and Apparao, at Lapland Hotel
Wear, Apparao Chintha, Tampere University, tribology
Wear, Apparao Chintha, Tampere University, tribology



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