Results 251 to 260 of about 15,823,675 (338)
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SPIE Proceedings, 1986
During its use, a spectacle lens is subjected to numerous different abrasive conditions (e.g. cleaning ; wipping) which make two types of surface scratches : Viscoelastic and brittle scratches. We present here a scratch testing machine (rayoscope) and a scratch diamond test which allows to reproduce these two kinds of scratches and to caracterize the ...
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During its use, a spectacle lens is subjected to numerous different abrasive conditions (e.g. cleaning ; wipping) which make two types of surface scratches : Viscoelastic and brittle scratches. We present here a scratch testing machine (rayoscope) and a scratch diamond test which allows to reproduce these two kinds of scratches and to caracterize the ...
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Friction monitored scratch adhesion testing
Surface and Coatings Technology, 1995Abstract During a scratch adhesion test, the plot of the frictional force against the normal applied load on the diamond can indicate different types of failure: small oscillations in the measured friction correspond to chipping, bigger variations show the presence of flaking.
V. Bellido-González +2 more
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Comparison of shale fracture toughness obtained from scratch test and nanoindentation test
International Journal of Rock Mechanics And Mining Sciences, 2023Kouqi Liu +6 more
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Annals of Plastic Surgery
Introduction Carpal tunnel syndrome is commonly managed by hand and upper extremity surgeons. Though electrodiagnostics are considered the gold standard diagnosis, the scratch collapse test (SCT) was introduced to address uncertainty, despite remains controversial. To address this, we sought to identify if the SCT can correlate
Nirbhay S, Jain +6 more
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Introduction Carpal tunnel syndrome is commonly managed by hand and upper extremity surgeons. Though electrodiagnostics are considered the gold standard diagnosis, the scratch collapse test (SCT) was introduced to address uncertainty, despite remains controversial. To address this, we sought to identify if the SCT can correlate
Nirbhay S, Jain +6 more
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Scratch Testing of Nanostructured Films
World Tribology Congress III, Volume 2, 2005Nanostructured films offer potential for considerable improvements in mechanical properties by comparison with traditional single composition coatings. This nanostructuring can be carried out in many ways, but one of the easiest methods to implement it is through nanolayering with two or more phases.
M. G. Gee, N. Evanno, D. A. Mendels
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Determination of Internal Friction Angle of Rocks Using Scratch Test with a Blunt PDC Cutter
Rock Mechanics and Rock Engineering, 2022Iman Rostamsowlat +4 more
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Scratch Adhesion Testing: A Critique
Surface Engineering, 1986The method of testing the adhesion of a thin, strongly adhering film by scratching it with a loaded diamond stylus is currently the only really satisfactory test available. In this paper the critical load for coating loss and the accompanying so called acoustic emission are discussed critically, together with aspects of metallurgical interest.
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Investigation on surface strength of acid fracture from scratch test
, 2021Zhou Bocheng +5 more
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Scratch and indentation tests on seashells
Tribology International, 2009Abstract In this work, the scratch and indentation properties of the outer and inner (nacre) layers of green mussel shells under dry and water-soaked conditions were investigated. In micro-scratch tests with increasing normal load, it was found that the scratch hardness of the inner and outer shell surfaces tended to decrease rapidly at lower loads ...
Leung, H.M., Sinha, S.K.
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