• Nenhum resultado encontrado

art hfgabreu Influence of the grain size on deleterious phase

N/A
N/A
Protected

Academic year: 2018

Share "art hfgabreu Influence of the grain size on deleterious phase"

Copied!
8
0
0

Texto

Loading

Imagem

Table 1 – Characteristics of the as received steels Material designation Productform Dimensions(mm) Heat treatment Standard SD-A UNS S32750 (fine grain) Tube Ø = 273; t= 9.5–15.88 Solution treatment ASTM A928 SD-B UNS S32750 (coarse grain) Bar Ø = 203.20 S
Fig. 3 – EBSD images from SD-B in the as received condition used to (a) ferrite grain size measurement and (b) austenite grains size measurement.
Fig. 4 – Light optical microscope images from samples aged for 30 min: (a) SD-A—800 °C; (b) SD-A—850 °C; (c) SD-A—900 °C;
Fig. 7 shows the X-ray diffractograms of SD-A aged at 800 °C for 15 and 60 min. At these conditions, concentrations of 9.1%
+3

Referências

Documentos relacionados

Inluence of martensite formation and grain size on room temperature low cycle fatigue behav- ior of AISI 304LN austenitic stainless steel. behavior of 316L auste- nitic stainless

Figure 11 shows the effects of the strain rate on the grain size distribution of as-extruded 42CrMo high-strength steel under the true strain of –0.9 and temperature of 1198 K..

The electrochemical impedance spectroscopy diagram analysis of heat-treated superduplex stainless steel UNS S32750 indicates that carbon dioxide presence is harmful to the

14 , evaluated the sensitization of UNS S31250 duplex stainless steels Inluence of Deleterious Phases Precipitation in the Corrosion Resistance Measured by Double

The results of the phase analysis of sintered and crushed samples indicate that the amount of monoclinic phase formed depends on the grain size of the samples and, therefore, on

The efect of ferrite phase on the precipitation of σ phase in a Z3CN20.09M cast austenitic stainless steel (CASS) used for primary coolant pipes of pressurized water reactor

The mechanism formation, kinetics and microstructural path of sigma phase in a UNS S32750 superduplex stainless steel were studied.. Based on the results of

Abstract - Our study investigates the influence of sintering temperature on the microstructure (grain size distribution, grain boundary length), electrical conductivity, and