High temperature solid particle erosion behaviour of SS 316L and thermal sprayed WC-Cr3C2–Ni coatings

DG Bhosale, TR Prabhu, WS Rathod, MA Patil… - Wear, 2020 - Elsevier
The boiler tubes, steam and gas turbines are commonly affected by severe high-temperature
erosion wear due to impingement of solid particles entrained in the stream of fluid. The …

Effects of polishing parameters on surface quality in sapphire double-sided CMP

Z Li, Z Deng, Y Hu - Ceramics International, 2020 - Elsevier
To reveal the influence of polishing process parameters on the surface quality of sapphire
after double-sided chemical mechanical polishing (CMP), the orthogonal test of sapphire …

[HTML][HTML] Fracture toughness determination of fused silica by cube corner indentation cracking and pillar splitting

S Bruns, L Petho, C Minnert, J Michler, K Durst - Materials & Design, 2020 - Elsevier
In this paper the applicability of the pillar splitting technique for fracture toughness
determination on anomalous behaving bulk fused silica glass is explored. The results are …

Experimental and numerical analysis of scratching induced damage during diamond wire sawing of silicon

F Wallburg, M Kuna, M Budnitzki, S Schoenfelder - Wear, 2020 - Elsevier
Diamond wire sawing (DWS) is the dominant manufacturing process for thin silicon
substrates. The understanding of micromechanical damaging and material removal …

Deformation in nanocrystalline ceramics: a microstructural study of MgAl2O4

B Ratzker, A Wagner, M Sokol, L Meshi, S Kalabukhov… - Acta Materialia, 2020 - Elsevier
Contrary to the characteristic strengthening of polycrystalline ceramics with a decrease in
grain size, extremely fine nanocrystalline ceramics exhibit softening, increased plasticity and …

[HTML][HTML] A spherical indentation study on the mechanical response of selected rocks in the range from very hard to soft with particular interest to drilling application

M Saadati, K Weddfelt, PL Larsson - Rock Mechanics and Rock …, 2020 - Springer
The focus of this work is toward an investigation of the mechanical response of a variety of
rocks to indentation loading as a close condition to drilling application. A rock classification …

Indentation cracking in silicate glasses is directed by shear flow, not by densification

E Barthel, V Keryvin, G Rosales-Sosa, G Kermouche - Acta Materialia, 2020 - Elsevier
Over the past decades, constitutive relations have been developed to compute the
mechanical response of silicate glasses at the continuum length scale. They are now …

Hertzian indentation behavior of electroless Ni-P-Ti composite coatings

Z Li, Z Farhat - Metallurgical and Materials Transactions A, 2020 - Springer
Ni-P-Ti composite coatings have been prepared by co-depositing Ni-P and nano-Ti particles
which were then annealed. Tensile tests were conducted on standalone coatings to acquire …

Crack propagation during Vickers indentation of zirconia ceramics

L Li, L Wan, Q Zhou - Ceramics International, 2020 - Elsevier
A quarter finite element model of 3 mol% yttria stabilized tetragonal zirconia polycrystal (3Y-
TZP) ceramics undergoing Vickers indentation was established to simulate the evolution of …

Processing capabilities of micro ultrasonic machining for hard and brittle materials: SPH analysis and experimental verification

J Wang, J Fu, J Wang, F Du, PJ Liew, K Shimada - Precision Engineering, 2020 - Elsevier
Micro ultrasonic machining (micro-USM) is an unconventional micromachining technology
that has capability to fabricate high aspect ratio micro-holes, intricate shapes and features …