...Jeremy Cockrem; Tomasz Pawel Dudziak; Nigel Simms; Mikolaj Lukaszewicz; John Oakey Purpose – It is well known that alloys, based on iron, were exposed to steam oxidation environment producing thick and non-protective oxide scale. More expensive stainless steels contain more Cr and are able...

...Yan Jing; Chao Zhang; Jun Ma; Yongzhong Jia Purpose The purpose of this paper is to prepare the Mn‐Si‐Fe‐Cu‐Al alloy explosion suppression materials, and determine the corrosion behavior of aluminum alloy explosion suppression materials in HCl and NaOH solutions. The different mechanism...

...Ping Zhu; Liang You Wang; Guang Ren Qian; Tie Hua Cao; Ming Zhou Purpose The purpose of this paper is to investigate the electrodeposition of copper coatings directly onto AZ31 magnesium alloy, considered as a substrate of electroplating nickel. The additive, pH, complexing agent, current density...

...Anna Arutunow; Artur Zieliński; Mateusz T. Tobiszewski Purpose The purpose of this paper is to present the results of an atomic force microscopy (AFM) based approach to local impedance spectroscopy (LIS) measurement performed on AA2024 and AA2024‐T3 aluminium alloys. Design/methodology/approach...

...P. Spathis; E. Papastergiadis Purpose The purpose of this paper is to study the stress corrosion cracking (SCC) behaviour of anodized 1050 Al‐alloy in marine environments at different concentrations of sulphate ions. Design/methodology/approach The SCC experiments were performed by measuring...

...Stefan Krakowiak; Kazimierz Darowicki; Kacper Jurak Purpose The purpose of this paper is to examine the passive layer on 1050A aluminium alloy in non‐stationary conditions of linearly raised and lowered temperatures by means of dynamic electrochemistry impedance spectroscopy (DEIS). Design...

...Xing Juan Chen; Cheng Luo; Zheng Han Zhang; Min Zhao Purpose The purpose of this investigation was to synthesize a doped polyaniline‐containing coating and investigate the anti‐corrosion properties of the coating on Mg‐Li alloy. Design/methodology/approach The doped polyaniline pigments were...

... can be contacted at: ljr@nwpu.edu.cn © Emerald Group Publishing Limited 2012 Alloys Corrosion resistance Coatings Magnesium Acids Chemical conversion coatings Phytic acid Formation mechanism The conversion coatings were interlaced with each other because one of the six...

... be contacted at: burakdikici@yyu.edu.tr © Emerald Group Publishing Limited 2012 Aluminium Alloys Corrosion resistance Coatings Composite coatings FeB Passivity Iron based coatings recently have gained much attention as they have superior mechanical, frictional, and corrosion...

...M. Askari‐paykani; M. Meratian; M. Shayan; K. Raeissi Purpose The purpose of this paper is to investigate the microstructural changes and stress corrosion cracking behavior via two‐stage stressing u‐bent tests for T6 and T73 tempers of Al 7075 Alclad alloy. Design/methodology/approach Study...

...M.M. Abou‐Krisha; F.H. Assaf; M. Khodari; E.M. Elkady Purpose The purpose of this paper is to investigate the corrosion resistance and the electrodeposition behavior of electrodeposited nickel‐cobalt‐iron alloys. Also, to compare the electrodeposition of ternary nickel‐cobalt‐iron alloy from...

... of the oxide scale at 900°C and 1000°C for various different times with SEM/EDX, XRD and TEM. Findings Merely Al2O3 occurred on the Laves phase at the initial stage at 900°C, while a mixture of Al2O3+TiO2 formed at the initial stage at 1000°C. Oxidation rate of the alloy at 900°C after long‐term oxidation...

...P.K. Spathis; E. Papastergiadis Purpose The purpose of this paper is to study of the effect of carboxylic acids additions to the anodising bath on the subsequent corrosion and stress corrosion cracking (SCC) tendencies of anodised 1050 Al‐Alloy in 3M NaCl solution. Design/methodology/approach...

...Hosni M. Zubeir Purpose The purpose of this paper is to investigate the effect of iron content (2% and up to 6% Fe) on the corrosion behavior of 90Cu‐10Ni alloys in 3.5% NaCl at different temperatures (23, 50 and 80°C) under stagnant conditions and fluid flow (with an agitation speed of 350...

...Panayiotis Papandreopoulos; Maria Koui; Dimitrios Yfantis; Theophilos Theophanides Purpose The purpose of this paper is to investigate the surface corrosion products of copper alloys by non‐destructive techniques (NDT) and correlate them with their bulk composition. Design/methodology/approach...

...Ehsan Saebnoori; Taghi Shahrabi; Alireza Sabour Rouhaghdam; Majid Jafarian Purpose The purpose of this paper is to investigate the effect of thermal treatment at low partial pressure of oxygen on electrochemical corrosion resistance of Ti‐47Al‐2Cr (at %) intermetallic, known as γ‐TiAl alloy...

...Xiyun Yang; Xitao Duan; Haiwei Yuan Purpose The purpose of this paper is to obtain iron‐enriched Fe‐Ni alloy foil on Ti substrates with good quality from a chloride‐sulfate bath used in a normal DC plating mode. The effects of iron content on the hardness, surface morphology and microstructure...

... loss; A is the surface area of the specimens, and t is the exposure time. The corrosion rate ω in mm/a of the specimens may be obtained from the mass‐loss rate as follows: Equation 2 where ρ was the density of the specimens. Pitting corrosion Chloride Walls Water Alloys...

...Reza Shoja Razavi; Gholam Reza Gordani; H.C. Man Purpose The purpose of this paper is to consider the corrosion properties of laser nitrided Ti‐6Al‐4V alloys that have been reported previously by several researchers. Design/methodology/approach Different kinds of surface nitriding methods...

...Yogesha Subbaiah; Venkatakrishna Kaje; Ampar Chitharanjan Hegde Purpose The purpose of this paper is to develop and optimize anti‐corrosive multi‐layered coatings of zinc‐nickel alloy on carbon steel. Design/methodology/approach A variety of composition‐modulated multi‐layer alloy (CMMA...