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How to Produce Metal Powder for 3D Printing

Gold is a high-quality hedge hedging tool, favored by investors. Especially in recent years, with the increasing instability of the world economy, gold has become one of the preferred asset allocations of investors because of its functions of hedging and fighting inflation.

Earlier, the worsening situation in Ukraine sent gold prices soaring to a two-year high of $2,070 an ounce. But gold, along with other commodities, fell back last week as conditions changed and bulls took profits, hitting a low of $1,895 an ounce. As of press time, gold was trading at $1,918 an ounce, down 7.9% from its March 8 peak. Rising gold prices may also have an impact on the metal powder prices.

According to China Business News, Goldman Sachs raised its gold price forecast in early March, considering Asian buyers' gold consumption demand, investment demand and central bank gold purchase demand continue to rise. Three -, six - and 12-month targets were raised to $2,300, $2,500 and $2,500 an ounce, respectively, from $1,950, $2,050 and $2,150. The last time all three accelerated was in 2010-11 when gold prices rose nearly 70%.

The World Gold Council has also noted that global gold demand is at its highest level in nearly two years, which is linked to a recovery in consumption and consumer sentiment to combat inflation. 

The metal powder preparation method can be divided into: reduction method, electrolysis method, grinding method, atomization method, etc. according to the preparation process. At present, the two most advanced powder making processes commonly used in China are the argon atomization method and the plasma rotating electrode method.

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Argon atomization

The argon atomization method is a pulverizing method that uses fast-flowing argon gas to impact metal liquid, break it into fine particles, and then condense into solid powder.


Plasma rotating electrode method

The plasma state is called the fourth state of matter. The plasma rotating electrode atomization (PREP method) powder making process can be simply described as: the metal or alloy is made into a consumable electrode, and the end of the consumable electrode is in the coaxial plasma arc Under the action of the heating source, the liquid film is melted to form a liquid film. The liquid film is thrown out at a high speed under the action of the rotating centrifugal force to form droplets. The molten droplets rub against the inert gas (argon or helium) in the atomization chamber, and further under the action of shear stress. Broken, and then the droplets are rapidly cooled and solidified into spherical powder under the action of surface tension.


The metal powder produced by the plasma rotating electrode method has the following advantages:

High sphericity, smooth surface, good fluidity, and high bulk density, so the powder uniformity is good, and the printed product is dense; the powder particle size is small, the particle size distribution is narrow, the oxygen content is low, and the printing time is less/no spheroidization And agglomeration phenomenon, good melting effect, high product surface finish, and the consistency and uniformity of printing can be fully guaranteed; there is basically no hollow powder and satellite powder, and there will be no air gaps and curls caused by hollow balls during the printing process. Defects such as penetration and precipitation pores and cracks.


About KMPASS

KMPASS is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high-quality chemicals and Nanomaterials. The company export to many countries, such as USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya,Egypt,Nigeria,Cameroon,Uganda,Turkey,Mexico,Azerbaijan,Belgium,Cyprus,Czech Republic,Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia,Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, KMPASS dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are looking for metal powder for 3D printing, please send an email to: sales2@nanotrun.com


Prior to the impact of COVID-19 on the chemicals and materials industry and the price of the metal powder, many industry observers expected low to flat growth in 2021 in all regions outside Asia, with many countries seeing slower growth compared to recent years. Operational excellence has long been a hallmark of the chemical industry, and many companies are financially able to withstand short-term dips in end-market demand due to rapid leverage from reduced capex on hand.

The analysis shows that, whatever the final course of the pandemic, we can expect the inevitable long-term effects. Workplaces are expected to slowly return to pre-COVID-19 practices. Companies investing in enterprise-wide digital initiatives saw these "payoffs" in the early pandemic environment.

TRUNNANO provides high quality metal powder with reasonable price. In order to feedback to old customers, the company is still in full operations to provide metal powder with competitive price. said Amy Gao, sales manager of TRUNNANO. Please feel free to contact us to get the latest price.

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