The present work is a review of the substantial effort that has been made to measure and understand the effects of corrosion with respect to the properties, performance, and durability of various forms of silicon carbide and silicon nitride. The review encompasses corrosion in diverse environments, usually at temperatures of 1000 °C or higher. The environments include dry and moist oxygen, mixt...

Corrosion tests of 316L and two intermetallic compounds Fe3AI and FeCrSi in industrial Galvanizing (Zn-0.18Al), GALFAN (Zn-5AI), GALVALUME (Zn-55AI), and Aluminizing (AI-8Si) baths and lab-scale static baths were conducted. In on-line tests in industrial hot-dip baths, 316L steel shows better corrosion resistance than Fe3AI in Galvanizing, GALFAN, and GALVALUME baths. The corrosion resistance o...

Aluminum-based alloy composites with high strength and low density can be used in corrosive environments. In this research, the nano-powders of A16061 alloy and A16061/TiB2 composite were synthesized by mechanical alloying (MA) method. Then, A16061 /TiB2 nano-composite bulk samples were prepared at laboratory scale by hot extrusion approach. Transmission electron microscopy (TEM) and X-ray diff...

The microstructure of continuously hot-dip galvanizing Zn-Mg coating was investigated in order to obtain the mechanism of the effects of Mg on the corrosion resistance. In this paper, the vertical section of the Zn-0.20 wt % Al-Mg ternary phase diagram near the Al-low corner was calculated. The results indicates that the phase composition of the Zn-0.20 wt % Al-Mg ternary phase diagram near the...

S. Lasek, E. Mazancová, VŠB-Technical University of Ostrava, FMMI Czech Republic In this paper corrosion properties of X70MnAl28-9 TRIPLEX steel were tested after hot rolling and subsequent aging at 500 °C for 6, 30 and 60 min. and at 600 °C for the same times. For comparison related steels(X100MnAl28-12, X70Mn22, C20) were also used. The microstructure wascharacterized by light microscopy, SEM...

More than 10 years ago, the three major causes of failures in the Israel Air Force were: maintenance (-16% of failures), manufacturing (~14%), and design (-12%). While fatigue (~34%) and overload (~23%) were the two major failure mechanisms, more than 10% of failures were related to corrosion mechanisms. These include stress corrosion cracking, corrosion fatigue, localized corrosion, hot corros...

Fourteen thermotolerant and thermophilic bacterial isolates from a hot spring in Guanajuato State, Mexico, were tested for their ability to induce the corrosion of carbon steel in monocultures and, in selected cases, in mixed cultures and co-culture with a sulfate-reducing strain, SRB-M. Characterization by 16S rDNA showed that three of the thermophilic isolates (G9a, G9c, and G11) belong to th...

1.0 Introduction 2.0 Experimental details 2.1 CVD process 2.2 Oxidation Testing 2.3 Cyclic Oxidation Testing 2.4 Corrosion Testing 2.5 Tensile Testing 3.0 Results and discussion 3.1 3.2 3.3 3.4 3.5 3.6 Effect of system parameters 3.1.1 System pressure 3.1.2 Input gas velocity 3.1.3 A1/Si molar ratio Structure of mullite coating Oxidation Testing Cyclic Oxidation Hot Corrosion Tensile Strength 4...