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Content available 5 Cs of Investment Casting Foundries in Rajkot Cluster – An Industrial Survey
Sata A. V., Maheta Nikunj R.
Archives of Foundry Engineering
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2021
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Vol. 21, iss. 3
102--108
EN
Investment casting is very well-known manufacturing process for producing relatively thin and multifarious industrial components with high dimensional tolerances as well as admirable surface finish. Investment casting process is further comprised of sub-processes including pattern making, shell making, dewaxing, shell backing, melting and pouring. These sub-processes are usually followed by heat treatment, finishing as well as testing & measurement of castings. Investment castings are employed in many industrial sectors including aerospace, automobile, bio-medical, chemical, defense, etc. Overall market size of investment castings in world is nearly 12.15 billion USD and growing at a rate of 2.8% every year. India is among the top five investment casting producer in the world, and produces nearly 4% (considering value of castings) of global market. Rajkot (home town of authors) is one of largest clusters of investment casting in India, and has nearly 175 investment casting foundries that is almost 30% of investment casting foundries of India. An industrial survey of nearly 25% of investment casting foundries of Rajkot cluster has been conducted in the year 2019-20 in order to get better insight related to 5 Cs (Capacity; Capability; Competency; Concerns; Challenges) of investment casting foundries located in the cluster. Specific set of questionnaires was design for the survey to address 5 Cs of investment casting foundries of Rajkot cluster, and their inputs were recorded during the in-person survey. The industrial survey yielded in providing better insight related to 5 Cs of foundries in Rajkot cluster. It will also help investment casting producer to identify the capabilities and quality issues as well as leads to benchmarking respective foundry.
2
Analysis of fretting fatigue
Upul F.
Zeszyty Naukowe. Mechanika / Politechnika Opolska
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2005
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z. 84
93-109
EN
Fretting induced failure is commonly observed in industrial components that are in contact and are subjected to small oscillatory movements. Microcracks nucleated by fretting may grow rapidly under dynamic loading to catastrophic failure and fretting fatigue is a classic case of multiaxial fatigue which results in a considerable reduction in fatigue strength. This lecture outlines; basic introduction, influencing factors and a fracture mechanics concept that have been developed for the analysis of fretting crack growth and fatigue life prediction.
3
Zastosowanie powłok wielowarstwowych w celu podwyższenia trwałości elementów przemysłowych.
Hejwowski T., Weroński A.
Inżynieria Materiałowa
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2000
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R. XXI, nr 6
298-300
PL
Praca przedstawia wyniki badań nad wykonywaniem powłok wielowarstwowych na wybranych elementach przemysłowych w celu zwiększenia ich trwałości. Powłoki wykonan
EN
The paper presents results of research on performing multilayer coatings on selected industrial components, namely: the guide of mechanical coal miner, the sec
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