Diamond, which is known for its hardness and wear resistance, has been used in machining for hundreds of years as a super-hard tool material. Besides, it also has the advantages of good stability and biocompatibility, which is in line with the material requirements of surgical tools used for tissue resection. Therefore, it is also very […]
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 […]
Refractory elements are important alloying additions in both nickel-base and ironnickel-base superalloys. They are responsible for the increased high temperature mechanical properties present in current superalloy systems. It has long been established that nickel-base and iron-nickel-base superalloys are “super” because they are strengthened by a dispersion of fine and coherent gamma-prime (y) and at times […]
In 1751, Axel Fredrik Cronstedt, working at Stockholm, investigated a new mineral – now called nickeline (NiAs) – which came from a mine at Los, Hälsingland, Sweden. He thought it might contain copper but what he extracted was a new metal which he announced and named nickel in 1754. Many chemists thought it was an […]
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