Discussion on importance of tungsten carbide – cobalt (WC-Co) cemented carbide and its critical characterization for wear mechanisms based on mining applications

• Autorzy: Nahak S. , Dewangan S. , Chattopadhyaya S. , Krolczyk G. , Hloch S.

Identyfikatory

DOI

10.24425/118897

Warianty tytułu

PL

Omówienie roli węglika spiekanego z kobaltem WC-Co oraz określenie jego kluczowej charakterystyki niezbędnej do rozpoznania mechanizmów zużycia w kontekście zastosowań w górnictwie

• Języki publikacji: EN

Abstrakty

EN

Cemented carbide (CC) is an important material for the mining tools. During mining applications, the service life of the CC gets highly reduced due to complex conditions offered by mines. In various applications, such as, rock drilling and coal cutting, the tools show different type of wear behaviour. Wear assessment has been an important area of research for a long time. In order to develop improved mechanical properties in the tools, it is necessary to know the characteristics and cause of wear mechanisms. For analyzing wear mechanisms in the CC, researchers have adopted mainly three different conditions. They are: rock drilling, coal cutting, and laboratory wear test methods. In the present work, an attempt has been made to review and summarize all those wear mechanisms found in the CC. The causes and effects of each mechanism are also explained comprehensively. In addition, various properties of recently developed cemented carbide have also been discussed.

PL

Węglik spiekany (CC) jest znanym od dawna lecz wciąż powszechnie używanym twardym stopem metalu. Korzystne właściwości węglika spiekanego sprawiają, że jest niezwykle pożądanym materiałem z którego wykonywane są narzędzia górnicze. W trakcie prowadzenia wierceń w skałach i urabiania skał, narzędzia pracują w bardzo złożonych warunkach i różnorodnych zastosowaniach, stąd też wykazują różne oznaki zużycia zmęczeniowego. Ponieważ zużycie materiału skraca okres eksploatacji narzędzi, wielu badaczy podjęło się badań nad tym zagadnieniem. Kwestia oceny zużycia zmęczeniowego narzędzi wykonanych z węglika spiekanego badana jest od dłuższego czasu. Niezbędne jest poznanie charakterystyki procesu zużycia zmęczeniowego i jego przyczyn tak by można wyodrębnić do badania narzędzia nadające się do dłuższej eksploatacji, tym samym poprawiając opłacalność produkcji. Badano rozmaite mechanizmy zużycia zmęczeniowego węglików spiekanych związane z użytkowaniem narzędzi w wiertnictwie oraz urabianiu skał, opracowano także laboratoryjne metody jego badania. W artykule tym podjęto próbę zebrania i usystematyzowania wszystkich mechanizmów zużycia zmęczeniowego, jakiemu podlegają narzędzia wykonane z węglików spiekanych. Przyczyny i skutki każdego z procesów rozpatrywano w ujęciu całościowym. Ponadto, omówiono właściwości niedawno opracowanych węglików spiekanych.

Słowa kluczowe

PL

węgliki spiekane; wiercenia skał; urabianie skał; laboratoryjne badanie zużycia zmęczeniowego; charakterystyka zużycia zmęczeniowego; nowe rozwiązania

• Wydawca: Instytut Mechaniki Górotworu PAN
• Czasopismo: Archives of Mining Sciences
• Rocznik: 2018
• Tom: Vol. 63, no. 1
• Strony: 229--246
• Opis fizyczny: Bibliogr. 84 poz., rys., tab.

Twórcy

autor

Nahak S.

• Department of Mechanical Engineering, Jaypee University of Engineering and Technology, Guna-473226, Madhya Pradesh, India

autor

Dewangan S.

• Mechanical Engineering, National Institute of Science and Technology, Berhampur

autor

Chattopadhyaya S.

• Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad-826004, Jharkhand, India

autor

Krolczyk G.

• Opole University of Technology, 76 Proszkowska St., 45-758 Opole, Poland

autor

Hloch S.

• Technical Universities of Košice With a Seat in Prešov, 080 01 Presov, Slovak Republic

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)