Jan 14, 2006.A high-speed twin roll caster was used because it exhibits better cooling characteristics than the conventional twin roll casters. The strip was cast at a speed of 60 m/min and the resulting strip microstructure was not columnar, but equiaxed or globular.
The vertical-type high-speed twin-roll caster can cast strip at speeds of up to 120 m/min. The unequal-diameter twin-roll caster casts strip at speeds up to 60 m/min.
Sep 01, 2007.Findings: A vertical type twin roll caster for strip casting of aluminum alloys was devised. The strip, which was thinner than 3 mm, could be cast at speeds higher than 60 m/min. Features of the
Purpose: of this paper is to clear the possibility of high speed roll casting of thin strips of two aluminum alloys:6061 and recycled 6061. Mechanical properties
6 .Jun 15, 2001.A melt drag twin roll caster (MDTRC) was devised in order to cast aluminum alloy strips
Nov 10, 2004.The strip, which was thinner than 3 mm, could be cast at speeds higher than 60 m/min. Aluminum alloy, which freezing zone is very wide like A5182, could be cast using the twin roll caster of the present study at speeds up to 150 m/min. Features of the twin roll casters are as below. Copper rolls were used and lubricant was not used in order to increase the casting
A melt drag twin roll caster (MDTRC) was devised in order to cast aluminum alloy strips at a speed higher than 30 m/min. A3003 alloy, A5182 alloy,
The strip, which was thinner than 3 mm, could be cast at speeds higher than 60 m/min. Aluminum alloy, which freezing zone is very wide like A5182, could be cast using the twin roll caster of the present study at speeds up to 150 m/min. Features of the twin roll casters are as below. Copper rolls were used and lubricant was not used in order to
AbstrAct Purpose: of this paper is to clear the possibility of high speed roll casting of aluminum alloy strip. In the body of the automobiles, a sheet of 6016 aluminum alloy is adopted for the outer panel. Therefore, casting of 6016 was tried in this study. Characteristics of roll cast 6016 were investigated. Design/methodology/approach: was a high speed twin roll caster.
Jan 14, 2006.Thin strips of the 6063 aluminum alloy and the alloys with increased nominal Fe contents (0.76 mass%Fe) were fabricated directly from the molten alloys using a vertical-type high speed twin-roll strip caster equipped with a pair of water-cooled pure copper rolls. The estimated cooling rates from the DAS measurement were about 4500 and 100C
Recently, high-speed twin-roll casting (HSTRC) has been developed using a vertical-type caster to fabricate a thin aluminum alloy strip with predominantly raised casting speed. Previous studies for Al-Si-Mg based aluminum alloys showed that strip thickness and microstructure was greatly influenced by a chemical composition of an alloying
Feb 12, 2017.The manufacturing of thin aluminium-steel clad strips by means of twin-roll casting is a prospective trend of the progress in the light metals sheet production. Influence of hot deformation on mechanical properties and microstructure of a twin-roll cast aluminum alloy EN AW-6082. S. Ghosh, Microstructure evolution of eutectic Alu
[19] T. Haga, M. Ikawa, S. Kumai: A high speed twin roll caster for aluminum alloy thin strip, Transaction of the Materials Research Society of Japan Vol. 29 (2004), pp.1823-1828. DOI: 10.1299/jsmeintmp.2005.2_5
A melt drag twin roll caster (MDTRC) was devised in order to cast aluminum alloy strips at a speed higher than 30. m/min. A3003 alloy, A5182 alloy, Al6mass%Si alloy and Al12mass%Si alloy were cast into thin strips using the MDTRC.. These alloys could be cast into strips at a speed of up to 60 m/min.The thickness of the strips was about 13 mm.
Sep 01, 2010.An Al-Mg-Si based 6022 aluminum alloy, which represents a wide freezing temperature range in solidification, was cast through high-speed twin-roll casting (HSTRC). Under a roll rotation speed of 60 m/min and an initial roll separating force of 14.1 kN, the cast strip showed a large central crack, which deteriorated a quality of the cast strip.
In the 70s the vertical, tilt-back SuperCaster appeared and has since become the industry unmatched benchmark. This type of machine has been the first choice of the metal industry for more than 30 years. In the 90s more progress was made with the revolution in the high-speed, thin-gauge casting, as two new strip casting developments were
High speed twin roll caste for aluminum alloy thin strip . By T. Haga, H. Inui, H. Sakaguchi, H. Watari and S. Kumaic. Abstract. A high-speed twin roll caster of vertical type was designed and assembled to cast aluminum alloy thin strip.Originality/value: The results demonstrate that the high-speed twin roll caster can improve the
Aug 09, 2016.Introduction. Twin-roll strip casting process is a near-net-shape casting technology, for the production of thin strips having thickness of about 0.1 mm to 6.0 mm. This process produces thin strips directly from the liquid metal by
Mar 22, 2021.Two types of high-speed twin-roll casters and a single-roll caster equipped with a scraper were proposed. One of the twin-roll casters is a vertical-type high-speed twin-roll caster, and the other twin-roll caster is an unequal-diameter twin-roll caster. The vertical-type high-speed twin-roll caster can cast strip at speeds of up to 120 m/min. The unequal
AbstrAct Purpose: of this paper is to clear the possibility of high speed roll casting of aluminum alloy strip. In the body of the automobiles, a sheet of 6016 aluminum alloy is adopted for the outer panel. Therefore, casting of 6016 was tried in this study. Characteristics of roll cast 6016 were investigated. Design/methodology/approach: was a high speed twin roll caster.
It was shown that MDTRC was useful for the high speed roll casting of aluminum alloy strips. AB - A melt drag twin roll caster (MDTRC) was devised in order to cast aluminum alloy strips at a speed higher than 30 m/min. A3003 alloy, A5182 alloy, Al-6mass%Si alloy and Al-12mass%Si alloy were cast into thin strips using the MDTRC.
Thin strips of the 6063 aluminum alloy and the alloys with increased nominal Fe contents (0.7-6 mass%Fe) were fabricated directly from the molten alloys using a
Semisolid strip casting of A356 alloy was tried using a twin roll caster equipped with a cooling slope. Mechanical property, especially elongation, was improved. Result of 180 bending test was improved, too. Semisolid strip casting was useful for high speed roll casting, and the casting speed increased up to 180 m/min.
Recently, high-speed twin-roll casting (HSTRC) has been developed using a vertical-type caster to fabricate a thin aluminum alloy strip with predominantly raised casting speed. Previous studies for Al-Si-Mg based aluminum alloys showed that strip thickness and microstructure was greatly influenced by a chemical composition of an alloying
Dec 20, 2003.Another drawback of the technique is its low productivity due to the low casting speed of the roll caster. Early twin-roll casters for fabricating aluminum alloy strips of 57 mm in thickness operated at speeds of below 1 m/min ().Speeds of up to 10. m/min have been realized by employing large-diameter rolls, and recently speeds of up to 15 m/min have been
It is known that strip casting of aluminum alloy 5182 is very difficult because of their wider freezing zones. The vertical-type high-speed twin-roll caster can cast strip at speeds of up to
A 6061 aluminium alloy and an alloy with increased Fe content, representing recycled 6061 aluminium alloy were cast into strips at speed of 30m/min
Feb 12, 2017.The manufacturing of thin aluminium-steel clad strips by means of twin-roll casting is a prospective trend of the progress in the light metals sheet production. Influence of hot deformation on mechanical properties and microstructure of a twin-roll cast aluminum alloy EN AW-6082. S. Ghosh, Microstructure evolution of eutectic Alu
Changing from a Vertical Burr to a Horizontal Burr in the Vertical-Type High-Speed Twin-Roll Caster p.29. Globular Crystals in the Center of Roll Cast Aluminum Alloy Strips p.34. Effect of Alloying Elements on Mechanical Properties of High-Strength Low-Alloy Steel A. B. Espedal, M. L. Nedreberg, I. Alvestad, Thin gage twin-roll casting
Sep 01, 2010.An Al-Mg-Si based 6022 aluminum alloy, which represents a wide freezing temperature range in solidification, was cast through high-speed twin-roll casting (HSTRC). Under a roll rotation speed of 60 m/min and an initial roll separating force of 14.1 kN, the cast strip showed a large central crack, which deteriorated a quality of the cast strip.
Recently, vertical-type high-speed twin-roll casting (HSTRC) has been developed for producing thin aluminum plate with predominantly increased casting speed. Figure 1 shows a schematic illustration of the present caster. Al-Mg-Si based 6022 aluminum alloys, which represents a wide freezing temperature range, and pure aluminums were cast to
16 Stolbchenko M, Grydin O, Schaper M. Twin-roll Casting and Finishing Treatment of Thin Strips of the Hardening Aluminum Alloy EN AW-6082. Materials Today: Proceedings. 2015;2(Suppl 1):S32-S38. Kumar A, Dhindaw BK, Ghosh S. Modeling and Experimental Validation of Rapid Cooling and Solidification during High-Speed Twin-Roll Strip Casting of
The high speed twin roll caster was designedto overcome the low castability of the twin roll caster.Findings: are as below. 6016 alloy could be cast into the strip continuously at the speed of 60m/min. Thethickness of the strip was 3.4 mm. The microstructure at as-cast and after T4 heat treatment was shown. Themicrostructure was very fine.
Semisolid strip casting of A356 alloy was tried using a twin roll caster equipped with a cooling slope. Mechanical property, especially elongation, was improved. Result of 180 bending test was improved, too. Semisolid strip casting was useful for high speed roll casting, and the casting speed increased up to 180 m/min.
Jul 05, 2002.Two kinds of twin roll caster for aluminum alloys were devised in the present study. Vertical type was adopted. The strip, which was thinner than 3 mm, could be cast at speeds higher than 60 m/min. Aluminum alloy, which freezing zone is very wide like A5182, could be cast using the twin roll caster of the present study at speeds up to 150 m/min.
Mathematical modeling of the solidification behavior of Al-33 wt.% Cu strips in a twin roll caster at speeds varying between 0.079 m/s to 3.98 m/s, predicted that at high casting speed strips will
Mar 22, 2021.Two types of high-speed twin-roll casters and a single-roll caster equipped with a scraper were proposed. One of the twin-roll casters is a vertical-type high-speed twin-roll caster, and the other twin-roll caster is an unequal-diameter twin-roll caster. The vertical-type high-speed twin-roll caster can cast strip at speeds of up to 120 m/min.
Feb 12, 2017.The manufacturing of thin aluminium-steel clad strips by means of twin-roll casting is a prospective trend of the progress in the light metals sheet production. Influence of hot deformation on mechanical properties and microstructure of a twin-roll cast aluminum alloy EN AW-6082. S. Ghosh, Microstructure evolution of eutectic Alu
A vertical-type twin roll caster for strip casting of aluminum alloys was devised and its properties were investigated. The strip, which was thinner than 3 mm, could be cast at speeds higher than 60 m/min. Features of the twin roll casters are as below.
High speed roll casting of Mg alloy strip by a vertical type twin roll caster A high speed twin roll caster was used to cast thin strip Some
Recently, vertical-type high-speed twin-roll casting (HSTRC) has been developed for producing thin aluminum plate with predominantly increased casting speed. Figure 1 shows a schematic illustration of the present caster. Al-Mg-Si based 6022 aluminum alloys, which represents a wide freezing temperature range, and pure aluminums were cast to
Aug 09, 2016.Introduction. Twin-roll strip casting process is a near-net-shape casting technology, for the production of thin strips having thickness of about 0.1 mm to 6.0 mm. This process produces thin strips directly from the liquid metal by
Oct 07, 2014.The production of thin aluminium-steel clad strips by means of twin-roll casting is one of the prospective trends in the development of sheet production. of rapid cooling and solidification during high-speed twin-roll strip casting of Al-33 wt pct Cu. coefficient in the metal-roll system at twin-roll casting of aluminium alloys. Metal
In order to produce the high-Al magnesium alloy sheets, the twin-roll casting high-Al magnesium alloy strips with 11.06%Al was produced, and then was homogenized treatment at 400 for different
Sep 13, 2019.The numerical simulation of high-speed twin roll casting is performed by analyzing fluid flow, heat transfer, and solidification behavior of Alu hypo-eutectic alloy. The flow field, temperature, liquid fraction distribution, and cooling rate are analyzed by solving governing transport equations of continuity, momentum, energy, and