HAYNES 282 Alloy

Alloy name: HAYNES 282
Diagram No.: 1103
Type of diagram: TTH
Chemical composition in weight %: See the table
Alloy group: Nickel-based alloys
Note: TTH curves corresponding to 30Rc.
The relative ranking of the Gamma' precipitation kinetics remained the same in a similar study shown in Fig. In this study, isothermal exposures were conducted at temperatures ranging from 1000 to 1900F (538C to 1038C) for varying durations. The results are plotted as TTH curves for each of the four alloys. The curves correspond to a Rc hardness of 30. The results indicate that 282 alloy has considerably more sluggish precipitation kinetics than either R-41 or Waspaloy alloys, while being slightly more rapid than 263 alloy. This has profound implications on fabricability as will be discussed in the following two sections of this paper. Reference: Not shown in this demo version.

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