Results 51 to 60 of about 323,016 (308)

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

open access: yesFEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Mechanical Properties of Basalt/Epoxy Composites [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2008
The purpose of this paper is to determine mechanical properties of Basalt/Epoxy composites. Test samples were unidirectional composite samples which they are tested according to ASTM D790-96 standard test method by a universal testing machine.
Mahmoud Mehrdadshokriyeh, Mehdi Memar
doaj  

The effect of aging time on mechanical and microstructure properties of aa6061 joints welded by gas tungsten arc welding [PDF]

open access: yes, 2018
This research examines the influence of heat treatment on mechanical properties and microstructure of AA6061 aluminium alloy welded with butt groove method, by using Gas Tungsten Arc Welding (GTAW) method.
Ahmad, R
core  

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

open access: yesAdvanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian   +4 more
wiley   +1 more source

Enhancing the tensile performance of 12Cr17Mn6Ni5N steel weld joints through strengthened grinding process-induced gradient structures

open access: yesJournal of Materials Research and Technology
This paper investigates the surface enhancement treatment of 12Cr17Mn6Ni5N steel weld joints using the Strengthened Grinding Process (SGP) and explores its effect on their surface characteristics and tensile performance. The study begins by examining the
Xincheng Xie   +6 more
doaj   +1 more source

Simple constitutive methods to represent the tensile response of a laboratory-aged nonwoven geotextile [PDF]

open access: yesE3S Web of Conferences
Simple constitutive models (polynomial and hyperbolic-based) were used to represent the tensile response of a nonwoven polypropylene geotextile. The model parameters were defined for a virgin sample and for samples submitted to two degradation mechanisms:
Paula António Miguel   +2 more
doaj   +1 more source

Preparation and mechanical properties of Nanoclay-MWCNT/Epoxy hybrid nanocomposites

open access: yesJournal of Applied Research in Technology & Engineering, 2021
Among the various kinds of reinforcing element, Multi Wall Carbon Nano-tubes (MWCNT) and Nanoclay have found much more attention as a filler element to upgrade the mechanical properties of polymer composite material.
Sunil Kumar, Arun Gupta
doaj   +1 more source

'Like-With-Like’: A Comparison of Natural and Synthetic Stitching Threads used in Textile Conservation [PDF]

open access: yes, 2014
This paper reports research undertaken to investigate thread types used in textile conservation by quantitatively evaluating tensile strength and damage to conserved samples.
Benson, Sarah J.   +2 more
core  

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

Structural transformations in porous glasses under mechanical loading. I. Tension [PDF]

open access: yes, 2017
The evolution of porous structure and mechanical properties of binary glasses under tensile loading were examined using molecular dynamics simulations.
Makeev, Maxim A., Priezjev, Nikolai V.
core   +3 more sources

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