Results 31 to 40 of about 173,051 (269)
Meitan kexue jishuThe impact velocities of hammer crusher directly affect the crushing effect of rock. In order to study influence of impact velocities of hammer head on the crushing effect and utilization efficiency of fracture energy in green sandstone, macroscopic and ...
Huanshuai ZHAO +6 more
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Moisture damage evaluation using energy based responses
Journal of Civil Engineering and Management, 2017 Monotonic Indirect Tensile tests were performed on asphalt concrete mixtures made of two different types of aggregates. Since the environmental condition is a determining factor in propagation of moisture damage, the effects of temperature and aging were
Amir Mehrara, Ali Khodaii
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Advanced Engineering Materials, EarlyView.Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt +8 more
wiley +1 more source
Assessment of tibial fracture healing with dual energy X-ray absorptiometry: influence of metallic implants at the fracture site [PDF]
, 1995 Evaluation of the progress of fracture healing traditionally combines manual fracture manipulation with a visual radiographic assessment. This approach can lead to satisfactory healing, but trouble can ensue when the type of fixation compromises the ...
Cattermole, Howard Charles
core
Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects
Advanced Engineering Materials, EarlyView.This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula +7 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley +1 more source
Advanced Engineering Materials, EarlyView.This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo +3 more
wiley +1 more source
Scaling of fracture systems in geological media [PDF]
, 2001 Scaling in fracture systems has become an active field of research in the last 25 years motivated by practical applications in hazardous waste disposal, hydrocarbon reservoir management, and earthquake hazard assessment.
Berkowitz, B. +12 more
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Recreation of Gap Test with Damaged Plasticity Model
Applied SciencesA gap test is a relatively new experimental and numerical test proposed by Bažant and co-workers. The test is designed to show that the effective mode I (opening mode) fracture energy depends strongly on the crack-parallel normal stress.
Michał Szczecina, Andrzej Winnicki
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On Some Problems in Determining Tensile Parameters of Concrete Model from Size Effect Tests
Polish Maritime Research, 2019 The paper presents results of numerical simulations of size effect phenomenon in concrete specimens. The behaviour of in-plane geometrically similar notched and unnotched beams under three-point bending is investigated.
Marzec Ireneusz, Bobiński Jerzy
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