...L.M. Zhang; A.L. Ma; H.X. Hu; Y.G. Zheng; B.J. Yang; J.Q. Wang The effect of microalloying with Ti or Cr on the corrosion behavior of Al-Ni-Y amorphous alloys in 0.1 M NaCl solution was studied by potentiodynamic polarization, Mott-Schottky, and x-ray photoelectron spectroscopy techniques...

...X. Xia; J.F. Nie; C.H.J. Davies; W.N. Tang; S.W. Xu; N. Birbilis Relatively low level additions of Zn, Ca, Gd, Sr, and Zr, to a total alloying content of <3 wt%, were made to Mg in a binary, ternary, quaternary, and quinternary manner to systematically investigate the effect of composition...

... dissolution and that enrichment of noble impurity elements at the dissolving Mg surface may also play a role in enhanced rates of HE. To begin to uniquely address the role played by other elements, Mg was intentionally alloyed with Li, Ca, or Fe. Hydrogen collection was performed during anodic galvanostatic...

...Y. Savguira; W.H. Liu; D.J. Miklas; T.H. North; S.J. Thorpe The choice of welding parameters during friction stir welding of AZ31 magnesium alloy can significantly affect the morphology and extent of corrosion attack. Mass-loss testing in combination with optical analysis revealed that both tool...

...R.W. Schutz Although recognized for their exceptional corrosion resistance in a wide range of chemical environments, titanium and its alloys can be susceptible to corrosion in reducing acid media, crevice attack in hot chlorides and other halide solutions, and/or stress corrosion in certain higher...

...H.E. Townsend From 1934 to 1938, Bethlehem Steel Corporation initiated a series of outdoor corrosion tests involving several hundred low-alloy steel compositions. These tests were conducted in the industrial atmospheres of Bethlehem, PA, Pittsburgh, PA, and Columbus, OH, for up to 16 years...

...P. Skeldon; X. Zhou; G.E. Thompson; G.C. Wood; H. Habazaki; K. Shimizu During anodizing of certain binary Al alloys, the growing anodic oxide film detaches from the alloy substrate, subsequently allowing access of the electrolyte to the underlying bare metal and re-anodizing at a high current...

...W. Hou; C. Liang Atmospheric exposures were made of 17 steels at seven sites in China over 8 years. The exposed steels included the most common carbon steels and low-alloy weathering steels. Testing sites covered typical conditions of temperate, subtropical, industrial, marine, rural, humid...

...R.F.A. Jargelius-Pettersson The influence of alloying levels in the ranges from 0.01% to 0.5% N, 4.5% to 6% Mo, and 0.2% to 10% Mn on pitting corrosion resistance was investigated for austenitic stainless steels (SS) with a base composition of 20% Cr and 18% or 25% Ni. Results were analyzed...

...L.F. Garfias-Mesias; J.M. Sykes Electrochemical studies were made of the influence of Cu on pitting behavior and active dissolution of 25% Cr duplex stainless steels (DSS) in chloride-containing neutral and acid solutions. Alloys with increased Cu content showed higher pitting potentials...

...A.M. Alfantazi; U. Erb Corrosion properties of pulse-plated Zn-Ni alloy coating on a steel substrate were investigated using the neutral salt-spray test (ASTM B 117-81) and the potentiodynamic polarization technique (ASTM G 5-82). Performance of these alloy coatings with various Ni contents (up...

... in a manner similar to evaluation of resistance to uniform dissolution of unpassivated materials from anodic polarization curves. Comparisons using conventional E_b determinations could lead to misleading conclusions, however. alloying breakdown potential crevice corrosion cumulative breakdown...

...M. Nakahara; T. Shoji Stress corrosion cracking (SCC) characteristics of three commercially available nickel-molybdenum alloys (designated B, B2, and B3 [UNS N10001, N10667, and N10675, respectively]) in a reducing environment were investigated, with the alloys in their mill-annealed (MA) state...

... 1994 August 1995 1 2010 It has been reported that alloyed Cu produces transgranular SCC on Cr-Ni-Mo or Cr-Ni austenitic SS in hot, pure sulfuric acid (H₂SO₄) solutions of ~ 2 kmol/m³ to 4 kmol/m³ (M). ^12-15 Therefore, examination...

...M. Ruščák; T.-P. Perng Five Fe-Mn-Al (Femnal) alloys with ferrite contents from 0.5% to 98% were tested in air and deaerated 3.5% sodium chloride (NaCl) solution at room temperature to examine their sensitivities to environmentally assisted cracking (EAC). Smooth and notched tensile specimens were...

... techniques were investigated. Results for painted zinc and aluminum-zinc alloy coated steel surfaces showed corrosion occurred initially at localized sites on the exposed zinc in both dilute chloride and sulfate solutions and when zinc was galvanically coupled to or isolated from steel. Current density...

...V. Mitrovic-Scepanovic; R.J. Brigham A grid of experimental alloys containing nominally 17% Cr and 7.5% Ni in combination with low (0.01%) and high (0.1%) nitrogen and low (0.004%) and high (0.01%) sulfur was prepared with concentrations of 0.25%, 0.5%, 0.75%, and 1% Mn. The pitting resistance...

...P.R. Levey; A. van Bennekom The effects of nitrogen alloying on the corrosion properties of stainless steels (SS) is a matter of debate. A number of apparently contradictory results have been presented by various researchers. The actual mechanism by which nitrogen alloying influences the corrosion...

...G. Salamat; G.A. Juhl; R.G. Kelly Superferritic stainless steels (SS) can suffer from dissimilar metal crevice (DMC) corrosion when part of a crevice with certain other stainless alloys. For example, UNS S44735 is attacked when part of a crevice with type 316 SS (UNS S31600) but not when part...

...L. Yajiang; Z. Yonglan Phase constitution of the iron (Fe)-aluminum (Al) alloy layer and corrosion behavior of the welding zone of Al-coated steel in saturated hydrogen sulfide (H2S) solution were studied using a metalloscope, scanning electron microscope, and x-ray diffractometer. H2S...