Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Jean Noël Yankwa Djobo"'
Publikováno v:
International Journal of Ceramic Engineering & Science, Vol 5, Iss 6, Pp n/a-n/a (2023)
Abstract This work aims to improve the early age characteristics and water resistance of volcanic ash‐based phosphate geopolymer materials by modifying the chemistry of the binder with calcium hydroxide (CH). Phosphate geopolymer binders with Ca/P
Externí odkaz:
https://doaj.org/article/50a267cf818343c68b7c681ceae8bf11
Publikováno v:
SN Applied Sciences, Vol 2, Iss 5, Pp 1-12 (2020)
Abstract Phosphate geopolymers are part of chemically bonded phosphate cements obtained from an aluminosilicate and phosphate solution. Their structure consisting of phosphate bonds makes them suitable for use as refractory material. This study deals
Externí odkaz:
https://doaj.org/article/7f891fce42c44a3cbd4dfa5e7e1c9083
Autor:
Rachel Nkwaju Yanou, Rodrigue Cyriaque KAZE, Adeyemi Adesina, Juvenal Giogetti Deutou Nemaleu, Séverin Bidias Keumeka Jiofack, Jean Noël Yankwa Djobo
Publikováno v:
Case Studies in Construction Materials, Vol 15, Iss , Pp e00762- (2021)
In this study, sugarcane bagasse fibres (SBF) were used as a sustainable alternative to reinforce laterite-based geopolymers. As geopolymers can be deemed an eco-friendly construction material, the sustainability of geopolymers can be further improve
Externí odkaz:
https://doaj.org/article/e22ad5de75b34c609db49363ca45921e
Publikováno v:
Journal of the American Ceramic Society. 105:3226-3237
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f74ff83a63d7e48dc53b4c7f3a59782
https://doi.org/10.1111/jace.18333
https://doi.org/10.1111/jace.18333
Autor:
Patrick N. Lemougna, Elie Kamseu, Uphie Chinje Melo, Jordan Valdès Sontia Metekong, Cyriaque Rodrigue Kaze, Thomas Tamo Tatietse, Juvenal Giogetti Deutou Nemaleu, Adeyemi Adesina, Thamer Alomayri, Jean Noël Yankwa Djobo
Publikováno v:
Silicon. 14:7399-7416
The growing demand and use of geopolymer binders have been of high interest in recent times due to their sustainability and economic benefits. However, locally available materials must be used in the production of geopolymer binders in order to maxim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b046b2a6e00bb6ad49b5b44f3399104
https://doi.org/10.1007/s12633-021-01566-7
https://doi.org/10.1007/s12633-021-01566-7
Autor:
Sanjay Kumar, Achile Nana, Marie-Anne Etoh, Cyriaque Rodrigue Kaze, Thamer Alomayri, Elie Kamseu, Jacques Etame, Sylvain Tome, Jean Noël Yankwa Djobo
Publikováno v:
Silicon. 14:2687-2694
This paper investigates the resistance of alkali-activated binder from volcanic ash (VA) + Municipal Solid Waste Incinerator Fly Ash (MSWI-FA) system exposed into sulphuric acid solution and artificial seawater at 56 days. The effect of these aggress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d8642316f9c094f44ef11a6c36863cb
https://doi.org/10.1007/s12633-021-01055-x
https://doi.org/10.1007/s12633-021-01055-x
Publikováno v:
RSC Advances. 11:32258-32268
This work assessed the potential of synthetic acid aluminum phosphate solutions for the enhancement of the characteristics of metakaolin phosphate geopolymer binders obtained at room temperature. The main parameters dealt with are the concentration o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc3b070e570f945cf4d56d1e061f574b
https://doi.org/10.1039/d1ra05433c
https://doi.org/10.1039/d1ra05433c
Autor:
Patrick Lemougna Ninla, Juvenal Giogetti Deutou Nemaleu, Cyriaque Rodigue Kaze, Raphael Belinga Essama Boum, Alim Bilkissou, Jean Noël Yankwa Djobo, Elie Kamseu, Viviane Bakaine Djaoyang
Publikováno v:
Silicon. 14:449-461
The aim of the present project deals with the use of the available agricultural by-product groundnut shell ash (GSA) as replacement (0, 10, 20 and 30 wt.%) to metakaolin for the synthesis of lightweight geopolymer. Two alkaline solutions (8 and 10M)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0423b6fc0268c7e917f67f38c311f1b
https://doi.org/10.1007/s12633-020-00829-z
https://doi.org/10.1007/s12633-020-00829-z
Publikováno v:
Cement and Concrete Research. 158:106840
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75d02cecfa2ac78f9e4dd2b8c4d68a14
https://doi.org/10.1016/j.cemconres.2022.106840
https://doi.org/10.1016/j.cemconres.2022.106840
This work aimed to evaluate the role of the addition of blast furnace slag for the formation of reaction products and the strength development of volcanic ash-based phosphate geopolymer. Volcanic ash was replaced by 4 and 6 wt% of ground granulated b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72a588d04be4154acc3611295fefc415
https://depositonce.tu-berlin.de/handle/11303/13991
https://depositonce.tu-berlin.de/handle/11303/13991
