Results 31 to 40 of about 10,906,607 (240)

Damage tolerance of impacted curved panels [PDF]

, 2008
The final aim of this study is to evaluate the influence of impact damage on the residual strength of carbon/epoxy vessels stressed by internal pressure.
Lataillade, J.-L., Guillaumat, L., BALLERE, Ludovic, LATAILLADE, Jean-Luc, CLOUTET, S, Ballère, L., Cloutet, S., VIOT, Philippe, Viot, P., GUILLAUMAT, Laurent   +9 more
core   +1 more source

Effect of Fibers on the Mechanical Properties and Mechanism of Cast-In-Situ Foamed Concrete

Advances in Materials Science and Engineering, 2022
The cast-in-situ foamed concrete is inherently susceptible to cracks due to its brittleness under external loads. In order to improve its mechanical properties, this paper investigated the effect of fibers on the mechanical properties and mechanism of ...
Wenhui Zhao, Zexing Liu, Ruiqi Wang
doaj   +1 more source

A Direct Measurement Method for the Uniaxial Tensile Strength of Rock

Buildings
A universally applicable direct tension test method is proposed in this paper based on the concept of “compression-to-tension”. Using this method, one or two typical rocks were selected for each of the three types of rocks.
Zhipeng Hong, Mingming He, Mingchen Ding, Xiaoyue Yu, Liang He, Yinuo Zhang, Zhaoyu Wen   +6 more
doaj   +1 more source

Soil Fragmentation and Friability. Effects of Soil Water and Soil Management [PDF]

, 2002
Soil fragmentation is a primary aim in most tillage operations in order to create a soil environment favourable for crop establishment and growth. Soils vary around the world from those exhibiting a self-mulching nature to those of a hardsetting nature ...
Munkholm, Lars J.
core   +1 more source

Predicting mechanical properties of engineering cementitious composite reinforced with PVA using artificial neural network

Case Studies in Construction Materials, 2022
This paper developed an artificial neural network (ANN) models to predict engineered cementitious composites (ECC) mechanical properties such as compressive strength, flexural strength, and direct tensile stress-strain curve.
Alaa M. Morsy, Abd Elmoaty M. Abd Elmoaty, Abdelrhman B. Harraz   +2 more
doaj   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

Advanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora, Tales V. Lisbôa, Axel Spickenheuer, Rogério J. Marczak, Jakson M. Vassoler   +4 more
wiley   +1 more source

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

Advanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil, Edward D. McCarthy, Parvez Alam   +2 more
wiley   +1 more source

Shape Effect and Accuracy Analysis of Rock Tensile Strength Test

Applied Sciences
To investigate the influence of shape effects on the tensile strength of rocks, splitting tests were conducted on disc specimens with the same thickness-to-diameter ratio but different diameters using physical similarity simulation and numerical ...
Junjie Pei, Jinchang Zhao, Shaoqing Niu
doaj   +1 more source