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The sapwood and heartwood of plantation sugi wood (Cryptomeria japonica), and plantation hinoki (Chamaecyparis obtusa) wood were flat-sawn into timbers, then kiln-dried to a MC level below 12%. These timbers were further processed into specific sizes and
Rongfeng Huang +3 more
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Effects of Adding TiO2 Nanoparticles on Flexural Strength and Hardness of Two New Commercial Flowable Dental Composites [PDF]
Introduction The present study aimed to investigate the effect of adding TiO2 nanoparticles on the flexural strength and hardness of two dental composites.
Fatemeh Koohpeima +2 more
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Experimental study on grinding surface quality of DD9 nickel-based single crystal super-alloy
Turbine blade root are commonly processed by grinding, and the grinding process parameters determine the surface quality and fatigue performance.The effect and mechanism of grinding parameters are investigated on the surface roughness and hardness of ...
JIN Qichao +3 more
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Analysis of indentation size effect in copper and its alloys [PDF]
For describing the indentation size effect (ISE), numerous models, which relate the load or hardness to the indent dimensions, have been proposed. Unfortunately, it is still difficult to associate the different parameters involved in such relationships ...
CHICOT, Didier +6 more
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Designing pulse laser surface modification of H13 steel using response surface method [PDF]
This paper presents a design of experiment (DOE) for laser surface modification process of AISI H13 tool steel in achieving the maximum hardness and minimum surface roughness at a range of modified layer depth.
Aqida, S.N. +2 more
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Process parameters optima in quick-point grinding ceramics based on the intelligent algorithm
This article studied the relationship between surface roughness and surface micro hardness of the hard-brittle materials and the process parameters in quick-point grinding, and then established the prediction model for the surface micro hardness and ...
Yunguang Zhou +4 more
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Heat-polymerized resins are common substances utilized for construction of removable dental prostheses (i.e. Orthodontic appliances). Such materials should have appropriate physical properties.
Wael Abdul Alrazzaq Alwaeli +1 more
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The Case Against Commodity Agreements [PDF]
Depth sensing nano-indentation investigations have been performed to determine the radial dependence of the hardness through the cross section of a Fe-based bulk glassy rod.
Belova, Lyubov +5 more
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Understanding the rebound surface hardness of concrete
Surface hardness testing of materials can be considered as the oldest method to get information about strength related material properties. In recent decades the rebound hammer has been the most popular surface hardness testing device for concrete ...
Katalin Szilágyi +2 more
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The Effect of the Poly Vinyl Chloride (PVC) Addition on Surface Hardness and Impact Strength Properties of Heat-Cured Acrylic Resin Denture Base Material [PDF]
:The most common materials used for fabrication of denture base are poly methyl methacrylate (PMMA) and methyl methacrylate (MMA). Preparation of heat cured, ultered or modified, denture base acrylic resin was carried out by preparing of poly (methyl ...
Ehsan Ali Abed
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