Results 31 to 40 of about 9,104 (307)

Extreme scale-dependent tensile properties of epoxy fibers

eXPRESS Polymer Letters, 2019
Epoxy fibers with different diameters were prepared by hot drawing and their mechanical properties were measured under tension. The stiffness, strength, ultimate strain, and toughness revealed substantial scale-dependent effects as they all significantly
X. M. Sui, M. Tiwari, I. Greenfeld, R. L. Khalfin, H. Meeuw, B. Fiedler, H. D. Wagner   +6 more
doaj   +1 more source

Flow visualization by Matlab® based image analysis of high-speed polymer melt extrusion film casting process for determining necking defect and quantifying surface velocity profiles

Advanced Industrial and Engineering Polymer Research, 2022
The primary objective of this research paper is to detect and quantify the necking defect and surface velocity profiles in high-speed polymer melt extrusion film casting (EFC) process using Matlab® based image processing techniques.
Aarati Vagga, Swapnil Aherrao, Harshawardhan Pol, Vivek Borkar   +3 more
doaj   +1 more source

Dynamics of necking and fracture in ductile porous materials [PDF]

, 2019
The onset of necking in dynamically expanding ductile rings is delayed due to the stabilizing effect of inertia, and with increasing expansion velocity, both the number of necks incepted and the number of fragments increase.
Zheng, Xinzhu, Srivastava, Ankit, Rodríguez-Martínez, José A., N Souglo, Komi Espoir   +3 more
core   +1 more source

Evaluation method with finite-element analysis for bending rupture limit of line pipe with high design factor

Nihon Kikai Gakkai ronbunshu, 2016
This study focused on ruptures due to bending deformation of steel pipe that is operated with a high design factor. The design factor refers to the ratio of the hoop stress from internal pressure to the yield strength of pipe material.
Masaki MITSUYA
doaj   +1 more source

Effect of Necking Behavior and of Gap Size on the Cooling Rate in Hot Stamping [PDF]

Materials Research, 2016
In this study, a tailored die quenching experimental method using low closing pressures and an aluminum flat die was developed in order to evaluate the effects of the gap size on the cooling rate in the hot stamping process of a 22MnB5 steel grade ...
André Olah Neto, Guilherme Ourique Verran, Gabriel Carvalho Pissolatto, Rodinei Rocha Dutra   +3 more
doaj   +2 more sources

Peduncle Necking in Rosa hybrida Induces Stress-Related Transcription Factors, Upregulates Galactose Metabolism, and Downregulates Phenylpropanoid Biosynthesis Genes

Frontiers in Plant Science, 2022
Roses are highly valued as cut flowers worldwide but have limited vase life. Peduncle bending “bent neck” or “necking” is a major cause of reduced vase life, especially in some cultivars.
Bianca Lear, Matthew Casey, Anthony D. Stead, Hilary Joan Rogers   +3 more
doaj   +1 more source

Dynamics of necking and fracture in ductile porous materials

, 2020
The onset of necking in dynamically expanding ductile rings is delayed due to the stabilizing effect of inertia, and with increasing expansion velocity, both the number of necks incepted and the number of fragments increase.
Jose Rodriguez-Martinez, Ankit Srivastava, Xinzhu Zheng, Komi Espoir N'souglo   +3 more
core   +1 more source

Influence of laser power and scanning speed on necking growth of SS316L powder in laser melting processes

Journal of Mechanical Engineering and Sciences
Necking is a crucial phenomenon that can highly affect the mechanical properties and structural integrity of the material, especially in additive manufacturing.
M.R.Mazlan, Nashrah Hani Jamadon , Abu Bakar Sulong , Fathin Iliana Jamhari , Mohammad Azlan Aripin , Nabilah Afiqah Mohd Radzuan , Farazila Yusof   +6 more
doaj   +1 more source

Topic 2.2: Necking in the Tensile Test

, 2020
Basic concept of tensile instability (necking), considére criterion
Chad Sinclair (8575815)
core   +1 more source

A novel model to predict microvoid evolution in tensile necking using macroscopic deformation behavior

Journal of Materials Research and Technology, 2023
Using the final state analysis method (fracture morphology analysis), it is difficult to establish the dynamic changes that would have occurred during the process of necking under tensile load. In this paper, the time-dependent observations, the critical
Long Shao-lei, Yi Yan-liang, Gui Qin, Long Xiao, Su Ming-hui, Liang Yi-long   +5 more
doaj   +1 more source