XRD diffraction patterns of both sintered 17-4PH stainless steels.
A novel dual-phase PHSS consisting of lath martensite plus allotriomorphic δ ferrite (ALF) with nanoprecipitates was characterized by high-resolution field emission transmission electron ...
X-ray diffraction pattern of (a) 316L stainless steel and (b) as …
In this study, stainless steel specimens are examined by dry and lubricated wear test conditions. 420 stainless steel showed highest wear resistant properties for dry and lubricated...
Quantification of δ-ferrite and austenite retention in laser …
2024年7月1日 · While we are not the first to observe the retention of delta ferrite and austenite in L-DED of martensitic stainless steels, we have provided a quantitative rationale for the origins of these microstructures, for the first time.
δ-Ferrite Formation and Its Effect on the Mechanical Properties …
2020年3月13日 · It is reported that the precipitation of σ phase in δ-ferrite was much faster than in γ-austenite in austenitic stainless steels, which is consistent with the preferential precipitation of σ phase within δ-ferrite in the present work.
Ferrite content meter analysis for delta ferrite evaluation in ...
2018年7月1日 · The evaluation of ferrite content in superduplex stainless steel is an important step in the manufacturing process of many industrial equipment. An accurate evaluation contributes for the project life-span prediction, avoiding premature failures or unscheduled stops.
Formation, Quantification and Significance of Delta Ferrite for …
2015年9月1日 · The ability to calculate the delta-ferrite content expressed in terms of Ferrite Number (FN) has proven very valuable in assessing the performance and predicting microstructure of austenitic...
In this work, the effect of delta ferrite on the tensile and fatigue resistance of an AISI 316L stainless steel was investigated. Different amounts of delta ferrite were obtained by changing the sintering temperature and by heat
δ-ferrite transformation mechanism and its effect on mechanical ...
2020年11月15日 · This research provides theoretical and practical guidance for the control of the chemical composition, microstructure and mechanical properties of the 316H austenitic stainless steel weld metal with a certain amount of δ-ferrite for high temperature service.
Effect of selective laser melting process parameters of SS 310 on ...
3 天之前 · The samples are analyzed using X-ray diffraction (XRD) analysis. The surface was polished using abrasive paper, while the components were polished using emery paper ranging from 200 to 1000. ... Determination of the content of delta ferrite in austenitic stainless steel Nitronic 60. In: 15th inter. conf. trend. devel. machin. tech. no. May, pp ...
Role of Δ-Ferrite and Α`-Martensite Transformation on the ... - SSRN
2024年11月27日 · Austenitic 316L stainless steel (SS) is used in multiple applications and industries. When welded by the Tungsten Inert Gas (TIG) process, the resulting microst ... resulting in lower FCG rates. The results show that both the storage of strain energy at the austenite/delta ferrite interfaces (γ/δ), caused by dislocation pile-up in the delta ...