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compressive stresses

Behavior of Lightweight Concrete Under Uniaxial Eccentric Compressive Stresses

Behavior of Lightweight Concrete Under Uniaxial Eccentric Compressive Stresses

... The rectangular stress block was first proposed by von Emperger in 1904 (Mattock et al. 1961) and since that time this idea was improved by Hognestad et al. (1955) The rectangular stress block parameters   , and   ...

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Effect of surface treatments on mechanical properties of low alloy sintered steels

Effect of surface treatments on mechanical properties of low alloy sintered steels

... a compressive residual stress field, useful to prevent crack nucleation or to stop crack ...the compressive residual stress improves the fatigue properties of the treated component up to approximately 70% ...

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Ultimate Resistance of a Reinforced Concrete  Foundation Under Impulsive Loading (H534)

Ultimate Resistance of a Reinforced Concrete Foundation Under Impulsive Loading (H534)

... under compressive stresses limited by a crushing strain; elastic linear under tensile stresses until a cracking stress value and a following decrease of stress characterized by a constant or variable ...

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The Numerical FEM Model of the Kinematics of the Vibratory Shot Peening Process

The Numerical FEM Model of the Kinematics of the Vibratory Shot Peening Process

... of compressive stresses in the surface layer, the value of which depends on the technological parameters of shot peening, such as the size and weight of the peen- ing elements used, the frequency of the ...

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Residual stresses in AlCrN PVD thin films

Residual stresses in AlCrN PVD thin films

... Those stresses values cannot be compared directly, since XRD yields in–grain information while curvature method averages both crystallites and grain ...Higher compressive stresses are specific to ...

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On the asymptotic reduction of a bifurcation equation for edge buckling instabilities

On the asymptotic reduction of a bifurcation equation for edge buckling instabilities

... A different type of localised deformation is encountered in relation to stress-concentration phe- nomena in elastic solids. In thin plates and shells such localised stress concentrations appear near boundaries, or around ...

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Stresses in the midpalatal suture in the maxillary protraction therapy: a 3D finite element analysis

Stresses in the midpalatal suture in the maxillary protraction therapy: a 3D finite element analysis

... principal stresses were of compressive nature during the maxillary protrac- ...the compressive stresses, negative on Table 2, the direction of the MinPS in the ...

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Seismic Analysis of a Reinforced Concrete Building by Response Spectrum Method

Seismic Analysis of a Reinforced Concrete Building by Response Spectrum Method

... maximum compressive stresses at the bottom of C801 and ...these stresses occurred at different distances along the ...tensile stresses displayed due to L/C1. Tensile stresses in C801 ...

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The Abrasive Wear of Non Oxide Structural Ceramics in Wet Environment

The Abrasive Wear of Non Oxide Structural Ceramics in Wet Environment

... residual stresses values state in composites were collected in Table ...caused compressive stresses in the matrix due to their higher coefficient of thermal expansion when com- pared to the ...of ...

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EXPERIMENTAL ANALYSIS OF STRESSES IN REAL (PRESERVED) INTACT PROXIMAL HUMAN FEMUR (THIGH) BONE UNDER STATIC LOAD

EXPERIMENTAL ANALYSIS OF STRESSES IN REAL (PRESERVED) INTACT PROXIMAL HUMAN FEMUR (THIGH) BONE UNDER STATIC LOAD

... The objective of this study is to carry out experimental analysis to decide the high stress concentration areas of the femur bone which are extremely responsible for fractures and damages. Here, behavior of femur bone is ...

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Diffusion-induced stresses in hollow cylinders for transient state conditions

Diffusion-induced stresses in hollow cylinders for transient state conditions

... Diffusion-induced stresses in hollow cylinders were ...tensile stresses in the region near the inner surface and compressive stresses near the outer surface for all ...maximum ...

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MODELLING OF SPINNING PROCESS WITHOUT WALL-THICKNESS REDUCTION ON DOME FORMING

MODELLING OF SPINNING PROCESS WITHOUT WALL-THICKNESS REDUCTION ON DOME FORMING

... During the conventional spinning process, a local plastic deformation zone is generated at the roller contact area. The stress patterns of this zone depend on the roller feeding direction (Runge, 1994). In the forward ...

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State of Residual Stresses After the Process of Milling Selected Aluminium Alloys

State of Residual Stresses After the Process of Milling Selected Aluminium Alloys

... Practically, all the agents, i.e. mechanical, thermal, and structural agents have an impact on the state of stresses. Their intensity, however, may be different. Mechanical model is typical of chip machining with ...

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Distortion Analysis of Arc Shaped Workpiece in NC Machining

Distortion Analysis of Arc Shaped Workpiece in NC Machining

... residual stresses or strains developed at the material manufacturing state are the main source of post machining distortions ...residual stresses on machining distortions is mainly discussed in this ...

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Issues Involved in Analysis   and Design of Liner-System (F052)

Issues Involved in Analysis and Design of Liner-System (F052)

... Adequacy of mathematical-model of liner-system integrated with cylindrical concrete wall is validated specifically for stress-calculations by a separate exercise. Ratio (R/t) at center-plane of the wall is (7570/800=) ...

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Comparative evaluation of stress distribution around single piece and two piece titanium and zirconium implants - a three dimensional finite element analysis: An Invitro study

Comparative evaluation of stress distribution around single piece and two piece titanium and zirconium implants - a three dimensional finite element analysis: An Invitro study

... 57 | P a g e stress build-up. In general the implant –prosthetic unit can adapt to compressive forces. In actual mastication, the repeated pattern of cyclic forces transmits load through the restoration and dental ...

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... In Figure 12 are shown the results related to the longitudinal stresses and effective width ratios for the rein- forcing bars. Present and Macorini et al.’s results were calculated considering the average stress ...

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Effect of CVD-diamond coatings on the tribological 
			performance of cemented tungsten carbide substrates

Effect of CVD-diamond coatings on the tribological performance of cemented tungsten carbide substrates

... The presence of surface cobalt (Co) on the WC-Co substrate resists the growth of diamond films and increases formation of graphitic carbon phases, thus the adhesiveness between coating and substrate will be decreased ...

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Seismic Strengtheningof Heritage Structure in Mandalay

Seismic Strengtheningof Heritage Structure in Mandalay

... both stresses limitations and fragility ...the compressive stress limitations, as is usual for masonry structures and the stresses exceed the strength for tension and ...the stresses subjected ...

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Effects of Laser Shock Peening on the Surface Integrity of 18 % Ni Maraging Steel

Effects of Laser Shock Peening on the Surface Integrity of 18 % Ni Maraging Steel

... Blind holes were drilled with an RS-200 Milling Guide, while deformations due to relaxation during drilling were detected using CEA-06-062-UM strain gage rosettes by Vishay Measurement Group. The hole-drilling process on ...

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