کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7210298 1469205 2017 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of Heat Treatment on the Microstructure Development of TC21 Alloy
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مکانیک مواد
پیش نمایش صفحه اول مقاله
Effect of Heat Treatment on the Microstructure Development of TC21 Alloy
چکیده انگلیسی
The microstructure development of TC21 alloy after double α/β solution and aging heat treatment was investigated. Results show that primary α phase morphology is determined by the first solution treatment at the top of α/β portion. Varying the cooling rates can significantly influence the volume fraction of retained β phase and secondary α phase. Higher cooling rate results in greater retention of the β phase and transformation of the phase into secondary α phase upon aging. This higher amount of fine secondary α phase causes higher strength and lower toughness. Second α/β heat treatment temperature remarkably influences the heat treatment response of the microstructure. Higher heat treatment temperature keeps greater amounts of β with fine transformed α in the final microstructures. Lower α/β heat treatment temperature results in less responsive retained β during aging process. Aging treatment leads to decomposition of retained β phase, particularly in larger retained β regions that exhibit lower stability.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Rare Metal Materials and Engineering - Volume 46, Issue 8, August 2017, Pages 2087-2091
نویسندگان
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