39 phase diagram steel
TTT diagram of steel indicates the time-temperature and transformation curve. This means transformation is dependent upon time, temperature, and cooling mechanism. Difference between phase diagram and TTT diagram of steel For a clear understanding of this diagram, it is better to understand the phase transformation of the Fe-Fe3C curve. The Iron Carbon Phase Diagram. There is more to the iron-carbon phase diagram than related in the backbone. In particular, there is some nomenclature that I avoided in the main text but that is important for understanding other writings about iron and steel. So let's start with a phase diagram that contains maximal information: A 1: The upper ... Alloy steel elements such as nickel, manganese, chromium, and molybdenum affect the position of these boundaries on the phase diagram. The boundaries may shift in either direction depending on the element used. For example, in the iron carbon phase diagram, addition of nickel lowers the A3 boundar...