Results 21 to 30 of about 2,466,880 (247)

Characterization of perlite and expanded perlite from West Sumatera, Indonesia

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract As a volcanic country, Indonesia is rich in natural mineral resources. One of them is perlite that is spread across several provinces in Indonesia. One of the companies with a mining business permit (IUP) for perlite is CV Abdi Bersaudara, located at Padang Pariaman Regency, West Sumatra Province.
Didit Adi Darmawan   +3 more
openaire   +1 more source

Thermogravimetric analysis of modified cellulose mixtures in air [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
The paper includes the TG-DTG thermogravimetric air-testing of a cellulose mixture modified with the additives of expanded vermiculite or expanded perlite.
Z. Zawieja, J. Sawicki
doaj   +1 more source

Lightweight Geopolymer Composites: The Impact of the Aggregate

open access: yesMaterials Proceedings, 2023
In this work, lightweight geopolymer composites were produced by varying the content of expanded perlite and geopolymer spheres, used as aggregates. Firstly, highly porous geopolymer spheres containing mostly red mud as the solid precursor were produced,
Zélia Alves   +2 more
doaj   +1 more source

Development of Asbestos-free and Environment-Friendly Thermal Protection for Aerospace Application [PDF]

open access: yesMaterials Research, 2018
Thermal protection systems (TPS) are components designed to protect the internal and external areas of a rocket motor from high temperatures. There has been studies in Brazil of resin-based polybutadiene hydroxylated (HTPB) loaded with asbestos since the
Juliano Ribeiro Aguiar Pinto   +4 more
doaj   +1 more source

Experimental investigations on water absorption and mechanical properties of expanded perlite mortar under accelerated and natural aging conditions

open access: yesMaterials Research Express, 2022
The objective of this paper is to study the variation in the physical and mechanical properties of expanded perlite mortar with environmental factors and analyze its deterioration mechanism.
Jin Ye   +7 more
doaj   +1 more source

Self healing of alkali active mortars with expanded perlite aggregate

open access: yesCase Studies in Construction Materials, 2022
The use of alkali-activated mortars instead of cemented mortars provides an advantage in terms of various properties such as high strength, fast curing, and high durability by terminating cement production.
Berivan Yılmazer Polat
doaj   +1 more source

Thermal properties of phase change cement board with capric acid/expanded perlite form-stable phase change material

open access: yesAdvances in Mechanical Engineering, 2017
Capric acid/expanded perlite form-stable phase change materials were prepared by vacuum adsorption. The phase change cement boards were prepared by adding capric acid/expanded perlite into cement mortar, and their thermal properties were tested.
Tianyu Li, Yanping Yuan, Nan Zhang
doaj   +1 more source

Fe 2+ Removal from Aqueous Solution Using Expanded Perlite [PDF]

open access: yes, 2021
— Adsorption properties of Georgian expanded perlite prepared on the basis of perlite – natural mineral of Georgia in the process of aqueous solution purification from bivalent iron ionswere investigated for the first time in the work.
Samkharadze, L.   +5 more
core  

Effect of Alternative Expanded Perlite Using on Properties of Raw Perlite Aggregated Light-Weight Concrete

open access: yes, 2010
Perlite is a natural building materials contribute to global warming positive thanks to its isolation and lightness characteristics as concrete aggregate with usage of in construction sector.
Gokce, H. Suleyman   +3 more
core   +3 more sources

Comparative study of moisture absorption and resistance to NaCl salt of clay-based plasters incorporating porous aggregate [PDF]

open access: yesMATEC Web of Conferences
This study deals with the effects of expanded perlite and two types of clay (bentonite and kaolin) on adsorption behaviour of lightweight clay-cement based plasters and their resistance to the destructive impact of NaCl salt solution.
Kushnierova Liliia   +2 more
doaj   +1 more source

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