Cadmium in the environment is mainly caused by the earth’s crust and industrial pollution. Cadmium in plant-based foods mainly comes from metallurgy, smelting, ceramics, electroplating industry and chemical industry (such as the battery, plastic additives, food preservatives, pesticides, pigments) such as the discharge of “three wastes”. Cadmium is usually discharged into the environment through wastewater and gas. […]
The iridium alloy is an alloy containing other components of iridium. Most of the iridium alloy is brittle and difficult to process, which limits its application. People use a small amount of tungsten or hafnium to improve the processing properties of iridium in production. Adding a small amount of aluminum, iron, thorium, etc. can improve […]
The tolerance of tantalum to interstitial elements and reasonable elastic modulus make it an attractive base element of the alloy. Tantalum is also easy to achieve the inert gas tungsten arc welding (GTA), so it is suitable for the manufacture of various chemical equipment to give play to its corrosion resistance, such as various heat exchangers, […]
Nickel-titanium alloy, also known as nitinol, is a binary alloy made up of nickel and titanium, these two elements are roughly equal in the atomic percentage (Nitinol 55 and Nitinol 60 are very common). There are two different crystal structures in nickel-titanium alloy due to the change of temperature and mechanical stress, which called austenitic […]
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