کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7210692 1469218 2016 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Hot Working Parameters Optimization of TC4-DT Titanium Alloy Based on Processing Maps Considering True Strain
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مکانیک مواد
پیش نمایش صفحه اول مقاله
Hot Working Parameters Optimization of TC4-DT Titanium Alloy Based on Processing Maps Considering True Strain
چکیده انگلیسی
Elevated-temperature flow behavior of TC4-DT titanium alloy was investigated by isothermal hot compression tests at strain rate from 0.01 to 10 s−1 and temperature of 1181∼1341 K on Gleeble-3500 simulator. Three criterions including sensitive index of the strain rate (m-value), power dissipation factor (η-value) and flow instability (ζ-value) at different strains were analyzed by the principle of processing maps. As a result, the temperature at 1181∼1341 K and strain rate of 0.01∼0.79 s−1 is the optimum region in which dynamic recovery/dynamic recrystallization (DRV/DRX) occurs, and the corresponding power-dissipation efficiency is about 45%. The alloy exhibits flow instability regimes due to flow localization at higher strain rates(>1 s−1).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Rare Metal Materials and Engineering - Volume 45, Issue 7, July 2016, Pages 1647-1653
نویسندگان
, , , , ,