A reliable technique for figuring out the characteristics of nickel chromium powder is X-ray diffraction examination. The article also discusses the origins, properties, and common applications of nickel chromium powder in addition to the X-ray diffraction examination.
Nickel chromium powder comes in a variety of forms. High-temperature corrosion-resistant alloys use these alloy powders. They can also be employed as alloys that resist wear.
The production of nichrome powder uses powder metallurgy methods. nickel powder particles and finely chopped chromium source material are combined during the procedure. They are then heated in a hydrogen environment that is moving.
The temperature of the nickel and chromium particles is raised to at least 1,200u00b0F. Volume fraction of refractory oxide particles in the nickel particles ranges from 0.005 to 0.25. At high temperatures, the refractory oxide particles must not react with the matrix metal. Additionally, they ought to be thermally stable and barely soluble in the matrix metal.
The apparent density of typical powders ranges from 0.5 to 2.5 grams per cubic centimeter. Between 80 to 300 parts per million of carbon, nitrogen, and sulphur are involved in the chromizing reaction rate.
Chromium concentration varies from approximately 16 to 21% by weight depending on the alloy. It is 8.5 Mohs in hardness.
The physical characteristics of the powder product, whether it is a wrought or dispersion reinforced nickel-chromium alloy, are significantly influenced by the caliber of the starting powder. The procedure involves a significant capital expenditure and is technologically complicated. The end result was an extremely pricey item.
The apparent density of typical brazing alloy powders ranges from 0.5 to 2.5 grams per cubic centimeter. Refractory oxides make up 2.0 to 4.0 percent of their total volume. They contain 80 parts per million of nitrogen and are non-magnetic.
The distribution of the oxides in the initial powder determines the average particle size of refractory oxides. They also need to be non-reactive at high temperatures and have strong thermal stability and low solubility in the matrix metal.
The amount of weight in the powdered nickel-chromium alloy-refractory oxide employed in this experiment is wt. % to roughly 35 wt. chromium content in %. The amount of nickel in the alloy powder determines the chromium concentration.
Nickel chromium powder is frequently used in stamping tools, energy equipment, car parts, chemical equipment, and railway parts. Additionally, it's a component of diamond welding rods and diamond diamonds.
You can create the powder by combining a nickel alloy with a chromium alloy. Nickel to chromium ratios should range from one percent to twenty percent, with a minimum of ten percent to ninety percent. The relative amounts of these components should not, however, have an impact on the carbide formation.
A powder composition based on a chromium carbide alloy is an additional option. Good heat conductivity and high fretting-corrosion resistance define this alloy. The alloy has a strong cavitation resistance as well. Applications involving high temperatures use it.
Additionally, thermal sprayed coatings use this powder. Its particles range in size from 10 mm to 125 mm. In hard facings, it is also utilized. It is also utilized in model railroad layouts that run on electricity.
A potent method that can be used to examine the crystalline makeup of powders is X-ray diffraction. Ni and Si2O make up the majority of this powder's phases. To create carbide phases, they are mixed with a little amount of carbon.
The initial few micrometers of big particles can be detected with great precision by X-ray diffraction. The particles surfaces can also be used to detect phase changes. The method is frequently employed to identify unidentified crystalline minerals. Additionally, it is utilized to estimate the ratios of crystalline phases in powders.
This method is extremely quick and repeatable. To obtain the relative volume fractions, Rietveld analysis must be carried out. The diffraction peaks' intensities are counted and then translated to d-spacings. Then, these d-spacings are contrasted with example patterns. The International Centre for Diffraction Data has a file of d-spacings for millions of inorganic substances.
Every mineral has a different d-spacing from other minerals. This is crucial for numerous investigations in material science, biology, and geology.
TIJO, also known as Changsha Tianjiu Metal Materials Co., Ltd., was established in 2010 but began looking for "spherical" metal powder in 2007. The company has a strong technical basis and more than fifteen years of experience in the R&D and manufacture of metal materials.
The metal spherical powders that we have created and provide through our organization have good fluidity, great spherical shape, low impurity content, and exact composition control. It is widely used in the manufacture of powdered metal.
Our business has received ISO 9001 quality system certification. All of our goods adhere to ROHS regulations. Small sample orders as well as large orders for a variety of products are no problem for us.
We offer customers around the world seven series with more than 30 stable and mature metal powders and more than 300 custom metal powder development, which can meet customers' needs for a variety of purposes. We also offer 24 hour online technical support and fly to the site whenever necessary to assist customers in solving the use problems.
EN 
CN
DE
ES
JA
KO
RU
AR