Results 41 to 50 of about 3,327,176 (216)

Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact

open access: yesTaiyuan Ligong Daxue xuebao, 2021
To study the dynamic response characteristics of concrete beams with Fiber Reinforced Polymer Bars(FRP), the failure process, energy conversion, and dissipation of FRP beams without stirrups under different impact velocity, longitudinal reinforcement ...
Zhihong MA, Gang MA, Zhihua WANG
doaj   +1 more source

Conjugative transfer frequencies of mef(A)-containing Tn1207.3 to macrolide-susceptible Streptococcus pyogenes belonging to different emm types [PDF]

open access: yes, 2014
The aim of this study was to examine the gene transfer potential of mef(A)-containing Tn120.3 to macrolide-susceptible Streptococcus pyogenes belonging to different emm types.
Hadjirin, N. F.   +3 more
core   +1 more source

Equations to assess the impact resistance of fiber composites [PDF]

open access: yes, 1972
Numerical analysis of impact resistance of composite materials containing fibers is discussed. Mathematical model of longitudinal impact resistance is presented. Potential impact resistance of various fiber composites as obtained by numerical analysis is
Chamis, C. C.   +2 more
core   +1 more source

Detrimental Effects of βo-Phase on Practical Properties of TiAl Alloys

open access: yesMetals
The TNM alloy, a βo-phase-containing TiAl alloy, has been withdrawn from use as a last-stage turbine blade in commercial jet engines as it suffered frequent impact fractures in service, raising doubts regarding the necessity of the βo-phase in practical ...
Toshimitsu Tetsui, Kazuhiro Mizuta
doaj   +1 more source

Influence of Periodic Surface Nanopatterning Profiles on Series Resistance in Thin-Film Crystalline Silicon Heterojunction Solar Cells

open access: yes, 2015
In the frame of the development of thin crystalline silicon solar cell technologies, surface nanopatterning of silicon is gaining importance. Its impact on the material quality is, however, not yet fully controlled.We investigate here the influence of ...
Abdo, Islam   +6 more
core   +1 more source

Can the standard impact tests become a true materials evaluation tool? [PDF]

open access: yes, 2016
Impact resistance constitutes one of the most popular quality control tools for polymeric materials and plastic finished parts. There are a number of standard impact test methods devoted to evaluate the impact response of polymeric materials (e.g ...
Frontini, Patricia Maria
core   +2 more sources

Advanced fiber-composite hybrids--A new structural material [PDF]

open access: yes, 1974
Introduction of metal foil as part of matrix and fiber composite, or ""sandwich'', improves strength and stiffness for multidirectional loading, improves resistance to cyclic loading, and improves impact and erosion resistance of resultant fiber ...
Chamis, C. C.   +2 more
core   +1 more source

Societal Costs of Late Blight in Potato and Prospects of Durable Resistance Through Cisgenic Modification [PDF]

open access: yes, 2008
In the European Union almost 6 Mha of potatoes are grown representing a value of close to ¿6,000,000,000. Late blight caused by Phytophthora infestans causes annual losses (costs of control and damage) estimated at more than ¿1,000,000,000.
Boonekamp, P.M.   +7 more
core   +2 more sources

The influence of fibre length and concentration on the properties of glass fibre reinforced polypropylene: 5. Injection moulded long and short fibre PP [PDF]

open access: yes, 2002
We present results of a step by step comparison of the mechanical performance of injection moulded 'long' (LF-PP) and 'short' (SF-PP) previous termglass fibre-polypropylenenext term compounds.
Thomason, J.L.
core   +1 more source

Numerical study on impact performance of damaged beams strengthened with CFRP

open access: yesShenzhen Daxue xuebao. Ligong ban, 2023
In order to investigate the impact resistance of damaged reinforced concrete (RC) beams strengthened with carbon fiber reinforced plastics (CFRP), the dynamic responses of the damaged beams under different CFRP reinforcement methods are simulated using ...
DUAN Libin, ZHANG Yafang
doaj   +1 more source

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