نتایج جستجو برای: alloy 800

تعداد نتایج: 80536  

Journal: :Eng. Appl. of AI 2015
Jun Chen Mahdi Mahfouf Sidahmed Gaffour

inspired multi-objective optimisation algorithm Jun Chena, Mahdi Mahfouf, Gaffour Sidahmed, doi:10.1016/j.engappai.2014.08.014 Highlights • We model mechanical properties of heat treated alloy steel using interpretable fuzzy models. • We demonstrate how to locate the ‘best’ processing parameters and chemical compositions. • We demonstrate how to achieve certain mechanical properties. • We demon...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Abstract In this study, the structure and mechanical properties of near-eutectic refractory Al 24 Cr 11 Nb Ti 37 Zr 17 , 20 25 10 28 15 22 (at.%) high entropy alloys were investigated. Both had a hypoeutectic structure, while alloy hypereutectic one. The proeutectic phase in was ordered B2 – C14 Laves phase. all three alloys, eutectic regions possessed fine lamellar composed mixture phases. den...

Journal: :Politeknik dergisi 2021

Bifilm defects are the surface entrained double oxide films that introduced into melts during turbulence and disturbance to of melt. These lead porosity formation if they not cleaned from Thus, characterisation dross is formed on melt becomes a key parameter. In this work, Sr containing Al12Si alloy was used. For modification process, 100, 200 300 ppm added alloy. The oxidation tests were carri...

2008
C. Dornhege A. Kleiner R. Kümmerle B. Steder W. Burgard

DISCLAIMER: The information contained in this paper does not represent the official policies, either expressed or implied, of the Defence Science & Technology Agency (DSTA) or MINDEF. DSTA does not guarantee the accuracy or reliability of the information in this paper.

Journal: : 2023

This study investigates boronization of 800 degree Ti6Al4V alloy at different times. has a wide range industrial applications due to its light weight, high strength and corrosion resistance. Boronizing is surface modification method used improve the properties alloy. The aim evaluate effect boriding process carried out degrees on structural mechanical In this study, various analysis methods wer...

2017
Jinxiong Hou Min Zhang Huijun Yang Junwei Qiao

Cold rolling with subsequent annealing can be used to produce the recrystallized structure in high entropy alloys (HEAs). The Al0.25CoCrFeNi HEAs rolled to different final thickness (230, 400, 540, 800, 1000, 1500 μm) are prepared to investigate their microstructure evolutions and mechanical behaviors after annealing. Only the single face-centered cubic phase was obtained after cold rolling and...

Journal: :Physical review letters 2008
J H Shim K Haule S Savrasov G Kotliar

The puzzling absence of Pu magnetic moments in a PuAm environment is explored using the self-consistent dynamical mean field theory calculations in combination with the local density approximation. We argue that delta-Pu-Am alloys provide an ideal testbed for investigating the screening of moments from the single impurity limit to the dense limit. Several important effects can be studied: volum...

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