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Hygrothermal ageing of reprocessed polylactide [PDF]

Polymer Degradation and Stability, 2012
The influence of an accelerated hygrothermal ageing simulation test on a commercial PLA and its three subsequent mechanically-reprocessed materials was studied. The analysis was focused on the water diffusion kinetics and the physico-chemical changes induced by the hygrothermal degradation.
J D Badia, Alfonso Martinez-Felipe, A Ribes-Greus   +2 more
exaly   +5 more sources

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Effect of Uncertainty in the Hygrothermal Properties on Hygrothermal Modeling

2020
Building envelopes are subject to the transient climate conditions. Moisture transfer which is coupled with heat transfer is an important issue in the field of building science. The moisture transfer and accumulation within building envelopes can lead to poor thermal performance, metal corrosion, wood decay, structure deterioration, microbial and mold ...
Xiangwei Liu, Ying Liu, Xingguo Guo, Na Luo, Guojie Chen   +4 more
openaire   +1 more source

Hygrothermic Wood Actuated Robotic Hand

Advanced Materials, 2023
AbstractStimulus–responsive actuators play a vital role in the new generation of intelligent systems. However, poor mechanical performance, complicated fabrication processes, and the inability to complex deformation limit their practical applications.
Lulu Bai, Yaoxin Zhang, Shuai Guo, Hao Qu, Zhen Yu, Haipeng Yu, Wenshuai Chen, Swee Ching Tan   +7 more
openaire   +2 more sources

Hygrothermal aging of Nafion®

Journal of Membrane Science, 2009
The membrane durability is a critical issue for the development of Proton Exchange Membrane Fuel Cells (PEMFC). Since PEMFC in situ tests were not conclusive to determine Nafion (R) membrane degradation mechanism, ex situ aging tests were performed on Nafion (R) 112 in practical fuel cell usage conditions.
Collette, F. M., Lorentz, C., Gebel, G., Thominette, F.   +3 more
openaire   +2 more sources

Hygrothermal Behavior

2001
Abstract Hygrothermal behavior of cured composite materials relates to the combined and commonly synergistic effects of moisture absorption and temperature on various physical, chemical and mechanical properties. This article focuses on the influence of resins or matrices, reinforcements, processing, and diffusion on hygrothermal ...
openaire   +1 more source

Indoor Hygrothermal Conditions

2015
The evaluation of indoor hygrothermal conditions is described, supported by a literature review. Involved parameters and standardized methodologies are summarized. The procedures for evaluation of human comfort are also briefly described.
Nuno M. M. Ramos, João M. P. Q. Delgado, Ricardo M. S. F. Almeida, Maria L. Simões, Sofia Manuel   +4 more
openaire   +1 more source

Hygrothermal Simulation Tools

2012
Different models for the coupled heat, air, moisture and salt transport have been developed and incorporated into various software programs used in the field of porous building materials and in the closely related field of wetting and drying of soils.
João M. P. Q. Delgado, Eva Barreira, Nuno M. M. Ramos, Vasco Peixoto de Freitas   +3 more
openaire   +1 more source

Hygrothermal Processes in Porous Materials

2023
The Thesis aims to assess the feasibility of creating a positive energy quarter in a cultural and historic urban environment by using hygrothermal insulation from the inside. The purpose of the research is to find the solution to the dilemma between preserving heritage and improving energy efficiency in historic buildings. One solution to this dilemma
openaire   +1 more source