Results 21 to 30 of about 90,578 (291)

Calculation of measurement uncertainty for cellulose based transformed board material in tensile testing [PDF]

open access: yesInternational Journal of Metrology and Quality Engineering, 2012
Today’s global economy obliges manufacturers to produce their products in high quality with cheaper cost. Thus, manufacturers must develop their products applying tests to get better performance and higher quality before distributing them to the ...
Fank S., Aydemir B.
doaj   +1 more source

Strain hardening exponent and strain rate sensitivity exponent of dual-phase steels at quasi-static strain rates during tensile testing

open access: yesCogent Engineering, 2023
The effects of quasi-static strain rates on the tensile properties of two commercial ferrite-martensite dual-phase DP 600 and DP 800 steels were investigated using strip-shaped samples.
W. Khraisat
doaj   +1 more source

MECHANICAL Properties of WASTE PET FIBER- REINFORCED CEMENT BOUND aggregate MIXTURES

open access: yesMağallaẗ Al-kūfaẗ Al-handasiyyaẗ
In many countries, cement bound granular mixtures (CBGMs) have been widely used in semi-rigid pavement as base/subbase layers to ensure better load-carrying capacity.
Omar Ibrahim Dulaimi, hmed Hilal Farhan
doaj   +1 more source

Mechanical properties of neutron irradiated F82H using micro-tensile testing

open access: yesNuclear Materials and Energy, 2018
Room temperature micro-tensile tests were successfully performed on F82H specimens neutron-irradiated at 573 K up to 5 dpa and unirradiated using a focused ion beam (FIB) device.
M. Ando   +3 more
doaj   +1 more source

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

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Pengaruh Fraksi Volume Serat Kayu Gelam (Melaleuce Leucandendra) terhadap Kekuatan Tarik dan Impak Komposit Bermatrik Polyester

open access: yesRekayasa Mesin, 2017
The purpose of this research is to find the effect of volume fraction variation of “gelam” bark fiber on tensile and impact strength of polyester composite. The filler material was the “gelam” bark fiber with volume variation ratio of 10%, 30 %, 50 % and
Saifullah Arief   +2 more
doaj   +1 more source

Mechanical Testing of 3D Metal Printed Stainless Steel Specimens

open access: yesInternational Journal of Engineering and Management Sciences, 2023
Additive manufacturing (AM) is a cutting-edge production method, which has come a long way since its first introduction in the ’80s. Back in the days its usage was very limited to stereolithography, and was only able to make weak structures, so it only ...
Sándor Endre Kovács, László Varga
doaj   +1 more source

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

A study into the fracture control of 3D printed intraosseous transcutaneous amputation prostheses, known as ITAPs

open access: yesAIMS Bioengineering, 2020
Amputated femurs traditionally have multiple health concerns, including the risk of infection. One way to mitigate this risk could be to use an intraosseous transcutaneous amputation prosthesis (ITAP), which is a way of attaching a prosthesis directly to
Joshua Bird   +2 more
doaj   +1 more source

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