How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains".
The problem of childbirth is related to the people's livelihood. Whether a country can prosper or not depends on the population. I saw a set of data a few days ago. The data shows that on January 1, 1990, 2,784 babies were born in Shanghai. Ten years later, on January 1, 2000, 1,148 babies were born in Shanghai. In 2010, the number became 380. , 2020 only 156 people, the decline in the birth rate is shocking. The three most critical reasons are: I don't want to give birth, I can't afford it, I can't give birth! The decline of the global population will bring a series of economic and social problems, among which the demand for Nitinol Powder will also be affected.
What is metal 3D printing?
Metal 3D printing is a 3D printing technology that uses metal powder to directly print metal parts, also known as metal powder sintering (SLM). In addition to good plasticity, 3D printing metal powder must also meet the requirements of fine powder particle size and high particle size distribution. Narrow, high sphericity, good fluidity and high bulk density requirements. Currently, the metal powders used in most 3D printers include stainless steel, aluminum alloys, cobalt-chromium alloys, copper alloys, titanium alloys and nickel alloys. Iron-based alloys are engineering The most important and most used metal material in technology is mostly used for the forming of complex structures, and is widely used in aerospace, automobile, shipbuilding, machinery manufacturing and other industries.
3D Metal Printing Materials
Nickel alloy powder
The oxidation resistance and corrosion resistance of nickel alloy make it suitable for the harsh environment of high temperature and high pressure. When the nickel alloy is heated, a thick and stable oxide layer will be passivated on the surface of the alloy to protect the inside of the alloy from corrosion. Good mechanical properties are maintained over a wide temperature range.
Cobalt-chromium alloy powder
Because of its excellent wear resistance and corrosion resistance, cobalt-chromium alloy powder for metal 3D printing is commonly used to print various artificial joints and orthopaedic implants, and it is also used in the field of dentistry.
Titanium alloy powder
It is widely used in the aerospace field. Using the advantages of 3D printing to help optimize product design, such as replacing the original solid body with a complex and reasonable structure, the finished product has lower weight and better mechanical properties. This can not only reduce costs, but also Lightweight production of each component can be achieved.
Copper alloy powder
With excellent thermal and electrical conductivity, copper with excellent thermal conductivity in thermal management applications can be combined with design freedom to produce complex internal structures and conformal cooling channels.
Stainless steel powder
Relatively cheap metal printing materials, cost-effective, good corrosion resistance, high strength, can quickly and efficiently manufacture small batches of complex industrial parts.
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At present, international supply chains were shocked, and logistics and transportation efficiency decreases. Geopolitical conflicts further aggravate uncertainties about the European and American economic recovery and the global commodity supply. For this reason, I assume the price of the Nitinol Powder would not decrease significantly in the short term.
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