Results 31 to 40 of about 17,897,994 (270)

Impact toughness of Al-Li system alloys at low temperatures.

Journal of Japan Institute of Light Metals, 1987
Al-2.7%Li-1.2%Cu-0.8%Mg-0.1%Zr wrought alloys are heat treated to improve their impact toughness at lower temperatures, although a number of laminated cracks form in the vertical direction to the fracture surface. Low melting point elements, K and Na, are found on the fractured surface by Auger spectroscopy.
KOBAYASHI, Toshiro, NIINOMI, Mitsuo, DEGAWA, Kimio   +2 more
openaire   +2 more sources

Development of TP170P Big Size High-grade Steel Gun Pipe

Teshugang, 2023
As the diameter of the casing in the reservoir becomes larger and larger， and the well go deeper and deeper， the demand for strength and toughness of large-diameter perforating barrel becomes stronger.
Zhou Jiaxiang, Wu Liangliang, Zhang Xu, Wu Yongchao, An Shengyue   +4 more
doaj  

About the impact behavior of woven-ply carbon fiber-reinforced thermoplastic- and thermosetting-composites: A comparative study [PDF]

, 2013
This study is aimed at comparing the response of TS-based (epoxy) and TP-based (PPS or PEEK) laminates subjected to low velocity impacts. C-scan inspections showed that impact led to diamond-shaped damage resulting from different failure mechanisms ...
Vieille, Benoit, Bouvet, Christophe, V.M. Casado, Casado, Victor Manuel, C. Bouvet, B. Vieille   +5 more
core   +1 more source

Improvement of low-velocity impact and compression-after-impact performance by z-fibre pinning. [PDF]

, 2006
Z-fibre® pinning is a new method of through-thickness reinforcement of laminated composites. This paper presents an experimental test and theoretical analysis on how and why these pins can improve the resistance to impact loading and post- impact ...
X. Zhang, L. Hounslow, Hounslow, L, M. Grassi, Zhang, Xiang, Grassi, Marcello   +5 more
core   +1 more source

Study on impact toughness of TMCP and quenched and tempered high strength steels

Case Studies in Construction Materials
In this study, the effect of steel rolling technique, temperature, yield strength and welding heat input on the impact toughness of high-strength steels is studied. The impact toughness of five kinds of high strength steels with yield strength of 550 MPa,
Jin Jiang, M. Wu, T.T. Xu, W. Bao, Z.H. Li   +4 more
doaj   +1 more source

The Influence of Centerline Segregation on Impact Toughness in Welding Heat-Affected Zone of X70 Pipeline Steel

Metals
The influence of centerline segregation on the low-temperature impact toughness of the heat-affected zone (HAZ) of welded joints was studied by welding experiments on X70 steel plates rolled from continuous casting slabs with segregation grades of class ...
Fujian Guo, Han Zhang, Wenle Liu, Xuelin Wang, Chengjia Shang   +4 more
doaj   +1 more source

Validation of low velocity impact modelling on different stacking sequences of CFRP laminates and influence of fibre failure [PDF]

, 2013
This paper presents a validation of low-velocity impact Finite Element (FE) modelling. Based on switching ply location of reference layup [02,452,902,-452]s T700GC/M21 laminated plates from Bouvet et al.
Bouvet, Christophe, Rivallant, Samuel, Hongkarnjanakul, Natthawat   +2 more
core   +1 more source

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

Advanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares, Nadège Bouchonneau, Christian Jochum, Donald Radford   +3 more
wiley   +1 more source

Analysis of temperature effects near mode I cracks in glassy polymers [PDF]

, 2005
A previous isothermal study has shown that the toughness of glassy polymers is governed by the competition between shear yielding and crazing. The present work aims at investigating loading rates for which thermal effects need to be accounted for.
Estevez, R.,, Giessen, E. van der, Van der Giessen, E, Estevez, R., van Der Giessen, Erik, Van der Giessen, E; id_orcid, van Der Giessen, E., Basu, Sumit, Giessen, E. van der; id_orcid, Basu, S, Estevez, R, Basu, S.,, Estevez, Rafael, Basu, S., Giessen, E. van der,   +14 more
core   +2 more sources

Structural integrity of Carbon Dioxide transportation infrastructures

, 2013
Carbon Capture and Storage (CCS) is recognised as having a significant role to play in tackling climate change and reducing carbon dioxide (CO2) emissions.
Zargarzadeh, Payam
core   +7 more sources