Koalas were declared endangered in eastern Australia on Friday, with more and more koalas dying from disease, habitat loss, and other threats. Earlier, the koala was considered a vulnerable species, and the Commonwealth Department of the Environment changed its protection level to endangered on the east coast of Queensland, New South Wales, and the Australian Capital Territory. Many koalas in Australia are infected with chlamydia. The disease can cause blindness, infection, and infertility. Last year, the Australian Koala Foundation said Australia had lost about 30 percent of its koala population in the past three years. Without immediate action, the species could become extinct by 2050.
Unlike koalas, which are on the brink of extinction, the market demand for Spherical Tungsten Carbide Powder will grow substantially.
As a typical representative of refractory metal carbides, spherical tungsten
carbide powder is suitable for 3D printing and can produce higher quality
cemented carbide products.
3D printing, also known as additive manufacturing, is the latest rapid
prototyping device using technologies such as light curing and paper lamination.
The biggest difference from ordinary printers is that the printing material can
be liquid or solid powder. With the development of science and technology and
the needs of popularization and application, the use of rapid direct prototyping
to manufacture metal functional parts has become the main development direction
of rapid prototyping.
Compared with traditional production methods, additive manufacturing
technology has the characteristics of shorter production cycle, higher product
precision, and individualization. In addition to being suitable for the
manufacture of rapid prototyping small batch non-standard parts and
heterogeneous material assemblies, metal 3D printing is also suitable for
forming traditionally difficult parts, such as carbide tools, molds, structural
parts, geological mining tools, etc.
Cemented carbide is an alloy material produced by powder metallurgy with
tungsten carbide as the hard phase and cobalt, nickel, iron, copper and other
metal elements as the bonding phase. It has high melting point, high strength,
high hardness, good Red hardness, wear resistance, high temperature resistance
and other characteristics, so it is widely used in extreme environments such as
high temperature, high pressure, and high impact. However, alloys have very poor
machinability due to their high hardness and high melting point.
The researchers used 3D printing technology to manufacture cemented carbide,
which can effectively solve the problems of fracture, expansion and deformation
of products made by traditional production methods. However, additive
manufacturing technology has high requirements on the comprehensive performance
of raw materials, and spherical tungsten carbide powder must be used, because it
has the advantages of smooth surface, uniform particle size distribution, and
high fluidity, which is the premise of smooth powder feeding and uniform powder
distribution for 3D printers.
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The current international situation is highly uncertain, and its economic impact has not been able to be assessed properly. In addition, rising energy and commodity prices and supply chain disruptions are expected to push the price of the Spherical Tungsten Carbide Powder higher.