effect of vanadium and niobium alloying elements on the microstructure and mechanical properties of a drop forging microalloyed hsla steel

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ID: 230833
2016
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Abstract
This research explains the results of microstructure and mechanical property investigations of four drop forging microalloyed HSLA steels, ME Wrench 1, ME Wrench 2, ME Wrench 3, and ME Wrench 4. The purpose was to find the influence of vanadium (0.121, 0.119, 0.120, and 0.210%) and niobium (0.00045, 0.00055, 0.00052, and 0.00057%) content on the microstructures of ME Wrench 1 in comparison to ME Wrench 2, 3, and 4. It has been found that the group of ME Wrench 1 shows most evenly distributed proeutectoid ferrite as highest volume fraction and finest prior austenite grain size in theirs structure. At the highest vanadium intensity and nitrogen appearance of ME Wrench 1 V(CN) precipitation dispersion occurs in non-random way. Effective yield stresses have been controlled by applying different mean ferrite grain size according to Hall-Petch equation. It has also been noted that grain size and yield stress are in good correlation.
Reference Key
pluphrach2016songklanakarineffect Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Ganwarich Pluphrach
Journal ferroelectrics
Year 2016
DOI
DOI not found
URL
http://rdo.psu.ac.th/sjstweb/journal/38-4/38-4-3.pdf
Keywords
mechanical properties microstructures microalloyed hsla steeltechnologytechnology (general)sciencescience (general)

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