A Study of Point Defects in the B2-Phase Region of the Fe–Al system by Mössbauer Spectroscopy

Jabłońska, Magdalena; Hanc, A.; Szóstak, Anna

doi:10.4028/www.scientific.net/ssp.163.299

Cited by 9 publications

(3 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…of their as well as significantly increases with the increase in aluminum content [5]. The additions of zirconium and boron improve tensile properties of the Fe-40at.% Al based intermetallic alloys at room and elevated temperatures.…”

mentioning

confidence: 92%

Optimization Of Laboratory Hot Rolling Of Brittle Fe-40at.%Al-Zr-B Aluminide

Schindler

Hadasik

Kopeček

et al. 2015

Archives of Metallurgy and Materials

View full text Add to dashboard Cite

Use of the protective steel capsules enabled to manage the laboratory hot flat rolling of the extremely brittle as-cast aluminide Fe-40at.%Al-Zr-B with the total height reduction of almost 70 %. The hot rolling parameters were optimized to obtain the best combination of deformation temperature (from 1160°C up to 1240°C) and rolling speed (from 0.14 m·s−1 to 0.53 m·s−1). The resistance against cracking and refinement of the highly heterogeneous cast microstructure were the main criteria. Both experiments and mathematical simulations based on FEM demonstrated that it is not possible to exploit enhanced plasticity of the investigated alloy at low strain rates in the hot rolling process. The heat flux from the sample to the working rolls is so intensive at low rolling speed that even the protective capsule does not prevent massive appearance of the surface transverse cracking. The homogeneity and size of product’s grain was influenced significantly by temperature of deformation, whereas the effect of rolling speed was relatively negligible. The optimal forming parameters were found as rolling temperature 1200°C and the rolling speed 0.35 m·s−1. The effective technology of the iron aluminide Fe-40at.% Al-Zr-B preparation by simple processes of melting, casting and hot rolling was thus established and optimized.

show abstract

mentioning

confidence: 92%

Optimization Of Laboratory Hot Rolling Of Brittle Fe-40at.%Al-Zr-B Aluminide

Schindler

Hadasik

Kopeček

et al. 2015

Archives of Metallurgy and Materials

View full text Add to dashboard Cite

show abstract

“…Their application options are oriented toward filling the gap between the currently used conventional steels having particular properties and nickel superalloys in manufacturing of products for aircraft, automotive, and power industries. Despite many advantages of the Fe-Al alloys, their practical use is limited by their low creep strength at high-temperature, insufficient plasticity at moderate and low temperatures, as well as susceptibility to brittle cracking at room temperature [2][3][4][5][6][8][9][10][11][12][13][14][15]. In some cases long-range ordering occurring in these alloys, on the one hand, limits the use of typical processing technologies such as cold plastic working and, on the other hand, provides a set of unique mechanical, physical, and chemical properties.…”

Section: Introductionmentioning

confidence: 99%

Technological Aspects of Production and Processing of Functional Materials Based on Intermetallic Fe-Al

Jabłońska¹,

Bednarczyk²,

Śmiglewicz³

et al. 2018

Intermetallic Compounds - Formation and Applications

Self Cite

View full text Add to dashboard Cite

The problems of this paper relate to a possibility to affect the structure and properties of new alloys with an intermetallic phase matrix of the Fe-Al system by improvements in casting and hot plastic working processes. The studies were focused on selection of an optimum chemical composition and parameters of the casting and heat treatment processes for further hot plastic working process. The primary goal was to obtain semifinished products in the forms of sheets and bars with specified set of mechanical and physical properties. The works included several selected alloys with various Al content and variable contents of alloying elements influencing the formation of intermetallic phases. A series of characteristics of mechanical, physical, and chemical properties of alloys containing 28 and 38% of Al were developed. The result of the work consists in the development of a technology for hot forming of flat and round products.

show abstract

“…Development of these alloys depends on a thorough understanding of their physical and thermal properties, and deformation mechanisms in relation to the defect structure in these materials. Experimental as well as theoretical studies [1,[3][4][5][6][7] suggest that knowledge about degree and type of order and defects in iron aluminides is very important. This paper describes results of thermal analysis in Al-Fe alloys in comparison with dilatometric study.…”

Section: Introductionmentioning

confidence: 99%

Study of Phase Transformation in Alloys of the Al-Fe System

Jabłońska

Mikuśkiewicz

Śmiglewicz

et al. 2012

DDF

Self Cite

View full text Add to dashboard Cite

In this paper, phase transformation in alloys of the Al-Fe and Al-Fe-Cr systems was investigated. The alloys were prepared by melting and gravity casting. The studies of phase transformation were carried out on samples after casting and annealing, using the differential thermal analysis (DTA) and dilatometric method. The knowledge on the phase transformations in these alloys including the information about order-disorder transition is very important from the point of view of obtained mechanical and physical properties of alloys of the Al-Fe system. These results are an important contribution in development of knowledge on iron aluminides. In the article, temperatures of phase transformations connected with a change in order type and transition into disordered solid solution were defined. Conformity of the recorded DTA results and dilatometric analysis was achieved.

show abstract

A Study of Point Defects in the B2-Phase Region of the Fe–Al system by Mössbauer Spectroscopy

Cited by 9 publications

References 19 publications

Optimization Of Laboratory Hot Rolling Of Brittle Fe-40at.%Al-Zr-B Aluminide

Optimization Of Laboratory Hot Rolling Of Brittle Fe-40at.%Al-Zr-B Aluminide

Technological Aspects of Production and Processing of Functional Materials Based on Intermetallic Fe-Al

Study of Phase Transformation in Alloys of the Al-Fe System

Contact Info

Product

Resources

About