Investigating the effect of nanosilica on the compressive strength of hard concrete by considering Atomic Force Microscopy (AFM) examinations

Autor: seyed mohammad mahdi shafiei, mahboobeh pirizadeh, Ebrahim Zolgharnein

Publikováno v: International Journal of Advanced Design and Manufacturing Technology, Vol 17, Iss 1, Pp 23-28 (2024)

This study investigated the compressive strength of hardened concrete and the formation of Calcium Silicate Hydrate (C-S-H) with the addition of nanosilica (SiO2). Compressive strength testing was performed using ASTM C496 to determine stress-strain

Externí odkaz: https://doaj.org/article/2a08eba92cd44f9c93a219e1e73088d1

Characterization of DLC Thin Films Deposited by DC-Pulsed PACVD using Methane Precursor

Autor: seyed mohammad mahdi shafiei, Hamed raeiesifard

Publikováno v: International Journal of Advanced Design and Manufacturing Technology, Vol 15, Iss 1, Pp 65-71 (2022)

In this work, Diamond Like Carbon (DLC) thin films were deposited on aluminum alloy 6061 by Plasma-Assisted Chemical Vapor Deposition (PACVD). Nitiding prior to coated leads to appropriate hardness gradient and it can greatly improve the mechanical p

Externí odkaz: https://doaj.org/article/1deb925a21994da09070aa668d107798

Characterization of TiCN thin films deposited by Dc-Pulsed PACVD using methane precursor

Autor: S. M. A. Boutorabi, Seyed Mohammad Mahdi Shafiei, Mehdi Divandari, Rahim Naghizadeh

Publikováno v: Materials Research, Vol 17, Iss 6, Pp 1651-1657 (2014)
Materials Research, Volume: 17, Issue: 6, Pages: 1651-1657, Published: DEC 2014
Materials Research v.17 n.6 2014
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL

Titanium carbonitride (TiCN) thin films were deposited on hot-work steel (DIN 1.2606) by plasma-assisted chemical vapor deposition (PACVD) and the influence of different CH4/ (CH4+N2) gas flow ratio, on the layer mechanical properties, were investiga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5845b5eb74c32e1eedf5246e0c239ac0
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392014000600037&tlng=en