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6 hours ago · Definition and applicable elements Unless otherwise noted, this article describes the most stable form of an element in ambient conditions. [b] While arsenic (here sealed in a container to prevent tarnishing) has a shiny appearance and is a reasonable conductor of heat and electricity, it is soft and brittle and its chemistry is predominately nonmetallic. Nonmetallic chemical elements are ...
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6 hours ago · Stainless steel, also known as inox, corrosion-resistant steel ( CRES) and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains iron with chromium and other elements such as molybdenum, carbon, nickel and nitrogen depending on its specific use and cost. Stainless steel's resistance to corrosion results ...
6 hours ago · Selective laser melting (SLM) forms specimens that often exhibit anisotropic mechanical properties. Most existing research only explains that the mechanical properties of specimens perpendicular to the build direction are superior to those parallel to the build direction. In this paper, the mechanical properties of SLM 316L SS specimens with different surfaces and different directions are ...
6 hours ago · Metallic coatings: Made from metals or alloys, used for corrosion resistance or decorative purposes (e.g. zinc coatings for steel). 2. Inorganic coatings: Comprising nonmetallic compounds like ceramics or oxides, providing heat or wear resistance (e.g. ceramic coatings for high-temperature applications). 3.
6 hours ago · Following this, German chemist Aristid von Grosse wrote an article in 1965 predicting the likely properties of element 118. It was 107 years from Thomsen's prediction before oganesson was successfully synthesized, although its chemical properties have not been investigated to determine if it behaves as the heavier congener of radon.
- metallic (predicted)
- [294]
6 hours ago · Using the colloidal solution combustion approach, a three-dimensional mesoporous 5%Ni-CeO2-M catalyst was developed, with Ni incorporated into the pores, and applied in the dry reforming of methane. Comprehensive characterization revealed that the 5%Ni-CeO2-M catalyst had a large specific surface area and a three-dimensional mesoporous structure. A rich Ni-CeO2 interface was formed by closely ...
6 hours ago · This study investigates laser-induced damage in thin silicon (Si) wafer ablation both experimentally and numerically. A 40-W continuous-wave CO2 laser is employed as the volumetric heat source. Experiments are conducted that involve variations in the laser cutting speed from 5 to 20 mm/s and the number of passes from one to three while maintaining a constant laser power of 40 W for ...
