| Customization: | Available |
|---|---|
| Product Type: | Wire |
| Material: | Cr, W, Mo, B, C, Mn, Si, Fe |
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Coating Description
140MXC is an iron based steel alloy with a nanoscale microstructure that features exceptional wear, corrosion and high temperature oxidation resistance in severe abrasion and fine particle erosion environments.
Key Performance Characteristics
Excels in extreme environments where severe abrasion is encountered.
Significant ability to withstand corrosion and high temperature oxidation.
Exceptional wear resistance in applications involving fine particle abrasion and erosion.
Superior bond strength and toughness.
140MXC coatings excel in extreme environments where severe abrasion is encountered, particularly when wear is combined with corrosion or high temperature oxidation. 140MXC also features superior bond strength and toughness. Superior bond strength values of this coating signify that this material has exceptional adhesion and cohesion. High adhesion values highlight the extremely low residual stress (even at high thicknesses) that is an inherent quality in coatings of this type. High cohesion values mean that the probability of "pull-out" of individual particles is extremely low during wear, erosion and other service conditions. Low porosity provides low coating permeability, resulting in a highly corrosion resistant barrier. Low oxide content is another key ingredient contributing to the high bond and inter lamellar strength of this 140MXC coating due to the low incidence of internal voids and other defects. These characteristics provide predictable coating performance across a variety of service environments. 140MXC has been developed to produce deposits that have extreme resistance to abrasion and a significant ability to withstand corrosion and high temperature oxidation. 140MXC represents a breakthrough in the development of arc spray wires with exceptional hardness and wear resistance which form an amorphous/nanoscale structure during solidification without needing to fill the core with ceramics or hard metals. The extremely fine microstructure improves toughness and provides exceptional wear resistance in applications involving fine particle abrasion and erosion.
Abrasion/Erosion Resistance 140MXC is a glass forming steel alloy formulated with high concentrations of transition metals which readily dissolve in the glass structure. When sprayed using benchmark parameters, an amorphous matrix forms which contains hard complex nanoscale borocarbide precipitates. After complete devitrification, a unique ductile matrix is formed consisting of α-Fe and α-Fe phases with high volume fractions of extremely hard complex M2(BC)1 borocarbide phases. When compared to existing competing arc spray wires, 140MXC microstructures formed in as-sprayed or fully devitrified states provide superior resistance to abrasive wear and fine particle erosion.
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