Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Mohamed Gaceb"'
Publikováno v:
Medžiagotyra, Vol 27, Iss 2, Pp 175-183 (2021)
In this work, a study was carried out on the friction and wear behavior of flame thermal sprayed NiCrBSiFeC-WC(Co) composite and NiCrBSiFeC coatings subjected to severe wear conditions. For this purpose, flame remelted samples were tested in reciproc
Externí odkaz:
https://doaj.org/article/2ad6f9706bb640bbb58cf782f8602892
Publikováno v:
Chemical Engineering Transactions, Vol 70 (2018)
To improve oil and gas pipelines reliability through the minimization of defects in the welded joint, many researches were conducted to control local brittle zones in weld joints, mainly Martensite-Austenite constituents (M-A). The latter may present
Externí odkaz:
https://doaj.org/article/c86935ae46634c58aa39efdc39d3956a
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 118:2391-2403
In this work, the effect of material location and tool deviation on global and local mechanical behavior of dissimilar AA2024/AA7075 friction stir weld joints was investigated. The results showed that increasing the tool deviation value up to 1 mm to
Publikováno v:
Journal of Materials Engineering and Performance. 30:8023-8029
Piston skirts undergo important wear and abrasion due to poor tribological properties. A surface coating system with appropriate friction and hardness properties is proposed in this work to enhance the base material durability of iron alloy pistons.
Publikováno v:
Journal of Failure Analysis and Prevention. 21:689-704
The purpose of this paper is to evaluate high-pressure turbine blades after a long-term thermal exposure in a land-based gas turbine. Emphasis is placed upon structure and composition of the various layers evolving, on the one hand, due to hot oxidat
Publikováno v:
Manufacturing Technology. 20:591-602
Publikováno v:
Journal of Failure Analysis and Prevention. 21:74-82
This paper presents a novel approach to estimate the extended lifetime of first-stage turbine blades made of directionally solidified GTD-111 nickel-based superalloys. These turbine blades were removed from land-based industrial gas turbines for powe
Publikováno v:
Journal of Failure Analysis and Prevention. 20:1162-1174
The purpose of this paper is to clarify the impact of pitting corrosion and erosion on the directionally solidified (DS) GTD-111 turbine blade behavior. Moreover, the pitting corrosion and oxidation phenomena engendered inside cooling channels of the
Publikováno v:
Materials Science and Technology. 36:46-54
This paper presents a novel method for the first stage gas turbine blades lifetime extension based on degraded GTD-111 substrates hardness evolution after the rejuvenation heat treatments (RHTs) pr...
Publikováno v:
Engineering Failure Analysis. 104:261-273
For many years, a critical factor while drilling deep wells in Algeria oil fields has been the fatigue loads in drill strings used in high tortuosity sections. One solution is the use of drill pipes made of alternative lighter materials instead of co