Articles with "natural aging" as a keyword



Influence of Natural Aging on the Physicochemical and Structural Characteristics of Green Bio‐Based Polymers

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Published in 2025 at "European Journal of Lipid Science and Technology"

DOI: 10.1002/ejlt.70049

Abstract: The natural aging of polymers obtained by polymerization of chemically modified oleic or lauric acids with a precursor based on soybean oil was evaluated by comparing infrared spectra, color parameters, contact angles, thermal degradation temperatures,… read more here.

Keywords: influence natural; aging physicochemical; structural characteristics; physicochemical structural ... See more keywords

Review of aging mechanisms, mechanical properties, and prediction models of fiber‐reinforced composites in natural environments

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Published in 2024 at "Polymer Composites"

DOI: 10.1002/pc.28799

Abstract: Fiber‐reinforced composites are widely used in civil engineering, aerospace, automotive, and medical sectors. However, these composites undergo aging due to factors such as temperature, humidity, load, and so on, during their usage. As a result,… read more here.

Keywords: climate; prediction models; natural aging; reinforced composites ... See more keywords

Utilizing a combination of experimental and machine learning methods to predict and correlate between accelerated and natural aging of CFRP/AL adhesive joints under hygrothermal conditions

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Published in 2024 at "Polymer Composites"

DOI: 10.1002/pc.29226

Abstract: This study investigates how carbon fiber reinforced polymer (CFRP)‐to‐aluminum adhesive joints behave under accelerated aging conditions with hygrothermal exposure and compares these findings against naturally aged samples to evaluate material reliability in challenging environments. The… read more here.

Keywords: accelerated aging; adhesive joints; machine learning; cfrp ... See more keywords

Effects of natural aging and heat treatments conditions on mechanical properties of dissimilar composite between 6061 Al alloy and Al-Si12CuNi (AC8A) Al cast alloy fabricated by friction welding

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Published in 2018 at "International Journal of Mechanics and Materials in Design"

DOI: 10.1007/s10999-017-9391-4

Abstract: Abstract This paper describes the effects of natural aging and heat treatments conditions on mechanical properties of dissimilar composite between 6061 Al alloy (AA6061) and Al-Si12CuNi (AC8A) Al cast alloy, which was fabricated by friction… read more here.

Keywords: dissimilar composite; friction welding; fabricated friction; natural aging ... See more keywords
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Interaction Between Natural Aging and Pre-Aging Processes and its Impact on the Age-Hardening Behavior of Al-Mg-Si Automotive Sheets

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Published in 2019 at "JOM"

DOI: 10.1007/s11837-019-03780-6

Abstract: Pre-aging (PA) treatment, employed shortly or for a long time after solution treatment, has different effects on the age-hardening of Al-Mg-Si automotive sheets. Here, the influence of natural aging and PA on the age-hardening behavior… read more here.

Keywords: hardening behavior; pre aging; age; automotive sheets ... See more keywords

The influence of warm forming in natural aging and springback of Al-Mg-Si alloys

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Published in 2019 at "International Journal of Material Forming"

DOI: 10.1007/s12289-018-1406-7

Abstract: Warm forming is a very interesting solution to improve formability and reduce springback. Natural aging is an open issue for heat treatable aluminum alloys, since it causes variability in sheet metal forming operations, namely in… read more here.

Keywords: natural aging; warm forming; springback alloys; reduce springback ... See more keywords

Effect of Cu Contents on Nanocluster Formation and Two-Step Aging Behavior in Al–Mg–Si Alloys

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Published in 2019 at "Metals and Materials International"

DOI: 10.1007/s12540-019-00540-8

Abstract: The effect of Cu contents on nanocluster formation and the two-step aging behavior of Al–Mg–Si alloys was studied based on hardness, DSC and TEM results. The activation energies for the formation of Cluster (1) were… read more here.

Keywords: step aging; nanocluster formation; two step; formation ... See more keywords
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Natural aging of multilayer films containing hydrophobically modified poly(acrylate)s or their complexes with surfactants

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.03.250

Abstract: Abstract The paper reports the natural aging of polyelectrolyte multilayers containing sodium hydrophobically modified poly(acrylates) (PAC n Na, n  = 10 and 18) or complexes of PAC n Na with alkyltrimethylammonium bromides (C x TAB, x… read more here.

Keywords: hydrophobically modified; films containing; aging multilayer; natural aging ... See more keywords

High strength SiCp/Al–2Cu-1.2Mg-0.6Si composite with weak natural aging hardening

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Published in 2021 at "Composites Communications"

DOI: 10.1016/j.coco.2021.100742

Abstract: Abstract The typical SiCp/Al–Cu–Mg composites have strong natural aging hardening trend, thus decreasing performance for cold working after quenching. The study developed a SiCp/Al–2Cu-1.2Mg-0.6Si (in wt.%) composite with low natural aging strength and high natural… read more here.

Keywords: sicp 2cu; 6si composite; 2mg 6si; natural aging ... See more keywords
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HGF and bFGF Secretion by Human Adipose-derived Stem cells improve Ovarian Function of Natural Aging through Activation of SIRT1-FOXO1 Signaling Pathway

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Published in 2017 at "Free Radical Biology and Medicine"

DOI: 10.1016/j.freeradbiomed.2017.10.070

Abstract: Human adipose-derived stem cells (hADSCs) offer potential as a therapeutic option for clinical applications because of their cytokine production and capacity for trilineage differentiation. Although the importance of hADSCs in ameliorating the structure and function… read more here.

Keywords: ovarian function; hgf bfgf; biology; natural aging ... See more keywords

Effects of multiple sterilizations and natural aging on the mechanical behavior of 3D-printed ABS

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Published in 2020 at "Mechanics of Materials"

DOI: 10.1016/j.mechmat.2020.103423

Abstract: Abstract Three-dimensional printing of functional parts for different applications has increasingly attracted the interest of industries, owing to advantages such as seamless customization, a simplified supply chain, and on-demand production of prototypes. Hence, the mechanical… read more here.

Keywords: mechanical behavior; behavior printed; multiple sterilizations; natural aging ... See more keywords