Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Alireza Saeed-Akbari"'
Publikováno v:
Science and Technology of Advanced Materials, Vol 14, Iss 3, p 033001 (2013)
Nitrogen in austenitic stainless steels and its effect on the stacking fault energy (SFE) has been the subject of intense discussions in the literature. Until today, no generally accepted method for the SFE calculation exists that can be applied to a
Externí odkaz:
https://doaj.org/article/4d9bc90792134bc09483c0c14aa45f72
Autor:
Markus Bambach, Wolfgang Bleck, Alireza Saeed-Akbari, Gerhard Hirt, Alexander Göttmann, Linda Mosecker
Publikováno v:
Key Engineering Materials. 549:372-380
ncremental sheet metal forming (ISF) is a suitable process for the production of small batch sizes. Due to the minor tooling effort and low forming forces, ISF enables the production of large components with inexpensive and light machine set-ups. Hen
Publikováno v:
Materials & Design. 45:1-5
It is known that the direct hot stamping process in which the specimen is deformed and quenched simultaneously results in a high-strength product without the occurrence of springback. In the current work, the effects of isothermal and non-isothermal
Autor:
Dierk Raabe, Philip Eisenlohr, David Steinmetz, Alireza Saeed-Akbari, Ivan Gutierrez-Urrutia, Tom Jäpel, Tilmann Hickel, Burkhard Wietbrock, Franz Roters
Publikováno v:
Acta Materialia. 61:494-510
We present a multiscale dislocation density-based constitutive model for the strain-hardening behavior in twinning-induced plasticity (TWIP) steels. The approach is a physics-based strain rate- and temperature-sensitive model which reflects microstru
Enhanced Mechanical Properties of a Hot-Stamped Advanced High-Strength Steel via Tempering Treatment
Publikováno v:
Metallurgical and Materials Transactions A. 44:1852-1861
The hot stamping process has an extensive range of applications due to its advantages over the traditionally used stamping techniques developed in the past. To enhance the mechanical properties of the indirectly hot-stamped parts, the quenching and p
Publikováno v:
Scripta Materialia. 66:1024-1029
The role of stacking fault energy on defining the work-hardening behavior of manganese-rich iron-based alloys was highlighted by the tensile deformation of four high-manganese steels designed using thermodynamic mechanism maps. The flow behavior and
Publikováno v:
steel research international. 83:733-742
The purpose of the present research is to study the martensitic transformation in 22MnB5 steel under thermomechanical conditions by means of dilatation data. To reach this aim, the effects of deformation temperature and strain rate on the martensitic
Publikováno v:
Materials Science and Engineering: A. 538:356-363
In the current work, the effects of deformation temperature and strain rate on microstructure and mechanical properties of a boron-alloyed steel after being isothermally compressed and subsequently quenched are investigated. The results indicate that
Publikováno v:
Metallurgical and Materials Transactions A. 43:1705-1723
The jerky and smooth flow curves in high-manganese twinning induced plasticity (TWIP) steels were investigated by comparing Fe-Mn-C and Fe-Mn-Al-C systems. The pronounced serrations on the flow curves of Fe-Mn-C TWIP steel, produced during tensile te
Publikováno v:
Metallurgical and Materials Transactions A. 43:1688-1704
Thermodynamic stacking fault energy (SFE) maps were developed using the subregular solution model for the Fe-Mn-Al-C system. These maps were used to explain the variations in the work-hardening behavior of high-manganese steels, both through experime