The Subtle Thief: Selective Dissolution of Aragonite During Shallow Burial and the Implications for Carbonate Sedimentology

2008 ◽  
pp. 47-54 ◽  
Author(s):  
V. PAUL WRIGHT ◽  
LESLEY CHERNS
Keyword(s):  
Selective Dissolution ◽  
Carbonate Sedimentology

The Effects of Ion Implantation on the Surface Features of Inconel 600

1985 ◽  
Vol 43 ◽  
pp. 288-289
Author(s):  
John D. Rubio
Keyword(s):  
Grain Boundary ◽  
Ion Implantation ◽  
Nuclear Power ◽  
Power Plants ◽  
Surface Region ◽  
Selective Dissolution ◽  
Boundary Region ◽  
Near Surface ◽  
Inconel 600 ◽  
Steam Generator Tubing

The degradation of steam generator tubing at nuclear power plants has become an important problem for the electric utilities generating nuclear power. The material used for the tubing, Inconel 600, has been found to be succeptible to intergranular attack (IGA). IGA is the selective dissolution of material along its grain boundaries. The author believes that the sensitivity of Inconel 600 to IGA can be minimized by homogenizing the near-surface region using ion implantation. The collisions between the implanted ions and the atoms in the grain boundary region would displace the atoms and thus effectively smear the grain boundary.To determine the validity of this hypothesis, an Inconel 600 sample was implanted with 100kV N2+ ions to a dose of 1x1016 ions/cm2 and electrolytically etched in a 5% Nital solution at 5V for 20 seconds. The etched sample was then examined using a JEOL JSM25S scanning electron microscope.

Effects of ion implantation on the dissolution of minerals. Part II : selective dissolution

1987 ◽  
Vol 110 (1) ◽  
pp. 25-42 ◽  
Author(s):  
Jean-Claude Petit ◽  
Jean-Claude Dran ◽  
Gianantonio Della Mea
Keyword(s):  
Ion Implantation ◽  
Selective Dissolution ◽  
Dissolution Of Minerals

Facile method of selective dissolution for preparation of Co3O4/LaCoO3 as bifunctional catalyst for Al/Zn-air battery

2021 ◽  
Author(s):  
Shanshan Yan ◽  
Liyang Wan ◽  
Yejian Xue ◽  
Yan Wang ◽  
Guangjie Shao ◽  
...  
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Surface Defects ◽  
Selective Dissolution ◽  
Bifunctional Catalyst ◽  
Catalytic Activities ◽  
Air Battery

Perovskites are promising catalysts for metal-air batteries because of their excellent intrinsic catalytic activities. However, the low specific surface area and less surface defects lead to low catalytic activities regarding...

Synergistic action of EmimAc and aqueous NaOH for selective dissolution of hemicellulose for cellulose purification

Cellulose ◽  
2021 ◽  
Vol 28 (3) ◽  
pp. 1331-1338
Author(s):  
Liufang Ni ◽  
Changmei Lin ◽  
Hui Zhang ◽  
Hai Huang ◽  
Qidu Deng ◽  
...  
Keyword(s):  
Selective Dissolution ◽  
Synergistic Action

Selective dissolution of uranium from Olympic Dam copper concentrates

1987 ◽  
Vol 18 (3) ◽  
pp. 367-382 ◽  
Author(s):  
R.J. Ragozzini ◽  
G.J. Sparrow
Keyword(s):  
Selective Dissolution ◽  
Olympic Dam

Ion track etching of polycarbonate membranes monitored by in situ small angle X-ray scattering

2021 ◽  
Author(s):  
Alexander Kiy ◽  
Christian Notthoff ◽  
Shankar Dutt ◽  
Mark Grigg ◽  
Andrea Hadley ◽  
...  
Keyword(s):  
High Precision ◽  
Small Angle ◽  
Selective Dissolution ◽  
X Ray ◽  
Ion Tracks ◽  
X Ray Scattering ◽  
Track Etching ◽  
Polycarbonate Membranes ◽  
Ray Scattering

In situ small angle X-ray scattering (SAXS) measurements of ion track etching of polycarbonate foils are used to directly monitor the selective dissolution of ion tracks with high precision, including...

The Combined Effect of Chemical and Structural Factors on Pitting Corrosion Induced by MnS-(Cr, Mn, Al)O Duplex Inclusions

CORROSION ◽  
10.5006/2581 ◽  
2017 ◽  
Vol 74 (3) ◽  
pp. 312-325 ◽  
Author(s):  
Cheng Man ◽  
Chaofang Dong ◽  
Kui Xiao ◽  
Qiang Yu ◽  
Xiaogang Li
Keyword(s):  
Pitting Corrosion ◽  
Selective Dissolution ◽  
Dissolution Mechanism ◽  
Structural Factors ◽  
Metal Interface ◽  
Kelvin Probe ◽  
Force Microscopy ◽  
Atomic Force ◽  
The Individual

In situ atomic force microscopy, scanning Kelvin probe force microscopy, and potential pulse technology were used to study the pitting behavior induced by inclusions in AM355 martensitic stainless steel. The MnS-(Cr, Mn, Al)O duplex inclusion exhibited the highest sensitivity to the pitting corrosion with respect to the individual MnS and (Cr, Mn, Al)O inclusions. When exposed to a solution containing Cl−, the selective dissolution occurred on the sulfide segment of the duplex inclusion, leading to trenching along the oxide part. The dissolution mechanism of MnS segment in the duplex inclusion is similar to the individual MnS inclusion. The Cr depletion in the boundary layer at the inclusion/metal interface promoted the transition from metastable to stable pitting corrosion in the duplex inclusion.

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