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Effect of CH4 concentration on the early growth stage of patterned diamond using high seeding density and hot filament chemical vapor deposition
A bottom-up method is described to grow patterned polycrystalline diamond on silicon substrates using polymer assisted seeding and photolithography....
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Stress Field Evolution of Antifriction Wear-Resistant Sealing Coatings on GH4169 Superalloy Substrate under Thermal Shock
Finger sealing has potential application prospects in aerospace engines and gas turbines. An antifriction wear-resistant sealing coating (AWSC) is...
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Stress Analysis Map** for Mechanically Fastened Composite Bolted Lap Joints Using Cohesive Zone Model
Quasi-brittle materials such as composite laminates, concrete, and toughened ceramics are subject to size effects in which the nominal strength...
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Nanobiotechnology in crop stress management: an overview of novel applications
Agricultural crops are subject to a variety of biotic and abiotic stresses that adversely affect growth and reduce the yield of crop plantss....
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Effects of Stress Amplitude and Cold Expansion Strengthening on the Fatigue Property of TC4 Titanium Alloy
Effects of stress amplitude and cold expansion strengthening treatment on TC4 titanium alloy by performing stress-controlled high-cycle fatigue (HCF)...
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Atomic Simulation of Effect of Stress-Relief Annealing on the Regulation of Residual Stress in Nano-cutting of γ-TiAl Alloy
The γ-TiAl alloy has become one of the most competitive lightweight and high-temperature structural materials in aerospace and automotive fields...
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Efficient prediction of residual stress in additive manufacturing based on semi-analytical solution
In order to improve the efficiency of residual stress simulation in laser powder feeding additive manufacturing, a finite element modeling method...
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Impact of increased particle concentration on magnetorheological fluid properties and their dam** performance
Magnetorheological (MR) fluid properties are essential in analyzing the performance of any MR fluid system. The fluid properties are dependent on...
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Residual Stress Control of TiC-Enhanced NiTi Shape Memory Alloys Fabricated by Laser Engineered Net Sha**
NiTi alloy has unique shape memory effect and superelasticity, but low strength limits its application. TiC has been identified as a suitable...
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Stress concentration and instabilities in the atomistic process of brittle failure initiation
A major challenge in the macroscopic modeling of brittle failure initiation is to reconcile stress-driven failure in absence of stress concentration...
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Residual Stress Distribution and Dynamic Stress Variation in Aluminum Alloy Round Rods after Laser Shock Peening
Laser shock peening is an advanced surface treatment technology that can significantly improve the performance of metallic components. To study the...
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Effect of in situ laser shock forging on residual stress field induced by selective laser melting
Selective laser melting (SLM) is an additive manufacturing method that generates much residual tensile stress during processing. Laser shock forging...
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Nitride stress inversion using plasma immersion ion implantation processes
Three different species (nitrogen, xenon and argon) were evaluated to change the stress of a tensile PECVD nitride film by plasma immersion ion...
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Stress Relaxation Behavior of a Nb-Stabilized Austenitic Stainless Steel at 550 ℃
Stress relaxation resistance is one of the most significant properties that are critical to the service life of the fasteners. In this study, the...
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Investigating the Impact of Surface Finishing and Residual Stress on the Oxidation Behavior of Alloy 800
Alloy 800 is extensively used in nuclear power plants (NPPs) as steam generator tubing material and is essentially the pressure barrier between...
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Residual Stress Reduction through Thermo-mechanical Tensioning for an Orthotropic Steel Bridge Deck
Residual stresses from welding in orthotropic steel decks with closed ribs accelerate cracking and fatigue failure in the rib-to-deck weld root...
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Influence of complicated faults on the differentiation and accumulation of in-situ stress in deep rock mass
High geostress will become a normality in the deep because in-situ stress rises linearly with depth. The geological structure grows immensely...
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Design of a Pre-crack Device for Environmental Stress Cracking (ESC) Studies
In this research, a pre-crack device was successfully fabricated and improved in terms of the design concept, technology, and safety features. These...
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A Fatigue Life Prediction Approach for Resistance Spot Welded Joints with Consideration of the Stress Ratio Effect
Fatigue lives of ST12 lap-shear resistance spot welded joints have been tested under the stress ratios of R = 0.4, 0.2 and 0.06. The experimental...
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Assessment Approaches to Optimum Surface Hardening Parameters of Stress Concentrator-Bearing Structures
The assessment of optimum surface hardening parameters of stress concentrator-bearing components is examined. Mechanics and mathematical model...
