Ben D. Beake
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View article: Fretting wear of lubricated DLC coating systems
Fretting wear of lubricated DLC coating systems Open
Diamond-like Carbon (DLC) coatings are well known for their use in protection against fretting wear due to their low friction and wear properties. DLCs are metastable, allowing them to graphitise under applied load to create a graphitic tr…
View article: Tailoring the corrosion and tribological performance of Ti-modified MoS2-based films in simulated seawater
Tailoring the corrosion and tribological performance of Ti-modified MoS2-based films in simulated seawater Open
Film protection has become a crucial means to improve the corrosion and wear performance of key components in aggressive environment. In this study, the feasibility of using MoS2-based modified films in artificial seawater (3.5% NaCl solut…
View article: Nano- and Micro-Scale Impact Testing of Hard Coatings: A Review
Nano- and Micro-Scale Impact Testing of Hard Coatings: A Review Open
In this review, the operating principles of the nano-impact test technique are described, compared and contrasted to micro- and macro-scale impact tests. Impact fatigue mechanisms are discussed, and the impact behaviour of three different …
View article: Determination of Rate-Dependent Properties in Cohesive Frictional Materials by Instrumented Indentation
Determination of Rate-Dependent Properties in Cohesive Frictional Materials by Instrumented Indentation Open
The extraction of the elastoplastic constitutive behavior from instrumented sharp indentation is still a subject of research. Several approaches have been proposed to solve this problem, mainly based on the use of numerical techniques. Thi…
View article: Damage Accumulation Phenomena in Multilayer (TiAlCrSiY)N/(TiAlCr)N, Monolayer (TiAlCrSiY)N Coatings and Silicon upon Deformation by Cyclic Nanoindentation
Damage Accumulation Phenomena in Multilayer (TiAlCrSiY)N/(TiAlCr)N, Monolayer (TiAlCrSiY)N Coatings and Silicon upon Deformation by Cyclic Nanoindentation Open
The micromechanism of the low-cycle fatigue of mono- and multilayer PVD coatings on cutting tools was investigated. Multilayer nanolaminate (TiAlCrSiY)N/(TiAlCr)N and monolayer (TiAlCrSiY)N PVD coatings were deposited on the cemented carbi…
View article: Probe geometry and surface roughness effects in microscale impact testing of WC-Co
Probe geometry and surface roughness effects in microscale impact testing of WC-Co Open
Depth-sensing repetitive microimpact tests have been performed on cemented carbide cutting tool inserts with spheroconical diamond probes with end radii of 8, 20 and 100 µm. Results were strongly dependent on the probe radius and applied l…
View article: Designing nanoindentation simulation studies by appropriate indenter choices: Case study on single crystal tungsten
Designing nanoindentation simulation studies by appropriate indenter choices: Case study on single crystal tungsten Open
Atomic simulations are widely used to study the mechanics of small contacts for many contact loading processes such as nanometric cutting, nanoindentation, polishing, grinding and nanoimpact. A common assumption in most such studies is the…
View article: Incipient plasticity in tungsten during nanoindentation: Dependence on surface roughness, probe radius and crystal orientation
Incipient plasticity in tungsten during nanoindentation: Dependence on surface roughness, probe radius and crystal orientation Open
The influence of crystallographic orientation, contact size and surface roughness effects on incipient plasticity in tungsten were investigated by nanoindentation with indenters with a range of end radius (150, 350, 720 and 2800 nm) in sin…
View article: Improvement of Wear Performance of Nano-Multilayer PVD Coatings under Dry Hard End Milling Conditions Based on Their Architectural Development
Improvement of Wear Performance of Nano-Multilayer PVD Coatings under Dry Hard End Milling Conditions Based on Their Architectural Development Open
The TiAlCrSiYN-based family of PVD (physical vapor deposition) hard coatings was specially designed for extreme conditions involving the dry ultra-performance machining of hardened tool steels. However, there is a strong potential for furt…
View article: Cutting Performance of Low Stress Thick TiAlN PVD Coatings during Machining of Compacted Graphite Cast Iron (CGI)
Cutting Performance of Low Stress Thick TiAlN PVD Coatings during Machining of Compacted Graphite Cast Iron (CGI) Open
A new family of physical vapor deposited (PVD) coatings is presented in this paper. These coatings are deposited by a superfine cathode (SFC) using the arc method. They combine a smooth surface, high hardness, and low residual stresses. Th…
View article: Nanomechanical testing of thin films to 950 °C
Nanomechanical testing of thin films to 950 °C Open
Nanomechanical testing has been a revolutionary technique in improving
\nour fundamental understanding of the basis of mechanical properties of
\nthin film systems and the importance of the nanoscale behaviour on their
\nperformance. Howev…
View article: Investigation of the nanomechanical properties of nylon 6 and nylon 6/clay nanocomposites at sub-ambient temperatures
Investigation of the nanomechanical properties of nylon 6 and nylon 6/clay nanocomposites at sub-ambient temperatures Open
The nanomechanical properties of nylon 6, nylon 6/exfoliated clay and nylon 6/non-exfoliated clay nanocomposites have been investigated from room temperature to −10 °C in a controlled environment with humidity less than 1% RH. The hardness…