Results 81 to 90 of about 113,833 (154)

HOT DUCTILITY OF MICROALLOYED STEELS [PDF]

, 2008
The loss in ductility experienced by microalloyed steels at temperatures generally ranging from 700 to 1100°C is a widely studied subject in steel research.
Mannucci, A., Vedani, M., Dellasega, D., Ripamonti, D.   +3 more
core   +2 more sources

A new strategy for developing a Nb microalloyed fire-resistant steel: Effects of boron and cooling rate

Journal of Materials Research and Technology
This study investigates the correlation among cooling rates, boron addition, and their subsequent effects on the microstructure and mechanical properties of niobium microalloyed steels, specifically with an intent to develop new fire-resistant steels ...
A.M. Ferreira, E.A. Ariza, L.F. Bauri, P.M.C.D. Gomes, F.M.S.B. Carvalho, M. Masoumi, J.D. Poplawsky, H. Goldenstein, A.P. Tschiptschin   +8 more
doaj   +1 more source

Optimized carbon extraction replicas for transmission electron microscopy of nanoprecipitates in microalloyed low-carbon steels

Journal of Materials Research and Technology
Nanoprecipitates play a decisive role in strengthening of microalloyed low-carbon steels. The direct carbon extraction replica (CER) method is a promising way to extract the nanoprecipitates from the surrounding iron matrix for a detailed ...
Amir Sabet Ghorabaei, Bart J. Kooi
doaj   +1 more source

Contribution to evaluation of mechanical properties during impact loading [PDF]

Metalurgija, 2008
The paper analyzes the influence of the impact rate of up to 120 ms-1 with a constant energy on the relative compression of high-grade unalloyed steels, Cu and Zn, and the evaluation of energy consumed during the impact bending test at the impact rate of
Buršák, M., Mamuzić, I., Michel’, J.   +2 more
doaj  

Dynamic recrystallization and precipitation behaviors of high-Ti microalloyed high-strength steel during hot rolling

Journal of Materials Research and Technology
High-Ti microalloyed high-strength steels exhibit complex dynamic recrystallization (DRX) behavior owing to the strong interaction between strain-induced precipitation and austenite recrystallization.
Jiangtao Shao, Ruyang Han, Yaowen Xu, Gengwei Yang, Ning Liu, Wen Liang, Hexiong Zhang, Wen Yan   +7 more
doaj   +1 more source

Borlama Süresinin Düşük Karbonlu Mikro Alaşımlı Çeliklerin Sertlik Değerleri Üzerine Etkisi

Süleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2014
Özet: Bu çalışmada, borlanan düşük karbonlu çeliklerin sertlik değerleri ölçülmüştür. Borlama işlemi 1123 K sıcaklıkta ve değişik sürelerde ticari ekabor-II tozları kullanılarak gerçekleştirilmiştir.
Nursen TURKU, Şule DOĞAN, Nazım UÇAR, Adnan ÇALIK   +3 more
doaj  

Microalloyed Steels for Car Parts

, 2020
© Published under licence by IOP Publishing Ltd. The composition and properties of three constructional microalloyed steel with vanadium, niobium and nitrogen is investigated.
Mukhametzyanova G.F., Astaschenko V.I., Shveyova T.V.   +2 more
core  

Creep Properties of Microalloyed Steels [PDF]

, 2002
U ovom radu se analiziraju svojstva mikrolegiranih čelika kvalitete S315 MC i S46O MC i otpor na zagrijavanje ugljičnog čelika St45.8 pri višim temperaturama u uvjetima puzanja.
Micheľ, J., J. Micheľ, M. Buršák, Mamuzić, I., I. Mamuzić, Buršák, M.   +5 more
core  

Mechanism Understanding of the Role of Rare Earth Inclusions in the Initial Marine Corrosion Process of Microalloyed Steels. [PDF]

Materials (Basel), 2019
Tang M, Wu K, Liu J, Cheng L, Zhang X, Chen Y.   +5 more
europepmc   +1 more source

Effect of Boron on Hot Ductility and Room-Temperature Tensile Properties of Microalloyed Steels with Titanium and Niobium. [PDF]

Materials (Basel), 2019
Li Q, Liu W.
europepmc   +1 more source