[PDF] Top 20 Incremental ECAP with converging billets
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Incremental ECAP with converging billets
... The basic version of Incremental ECAP (I-ECAP) is shown in Fig. 4 [6]. The die C is a working die, which moves in a reciprocating manner at an appropriate angle to the billet. Feeding of the billet ... See full document
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Influence of incremental ECAP on the microstructure and tensile behaviour of commercial purity titanium
... different ECAP routes [6]. Despite the success of the ECAP process, it is not an ideal option from the commercialization ...continuous billets, due to very high force resulting from friction, is the ... See full document
6
Microstructure and mechanical properties of Al-1050 during incremental ECAP
... Abstract. Incremental ECAP is a new method of ECAP process were the severe shear deformation is incrementally applied on the sample resulting in grain refining and new texture ...conventional ... See full document
6
Incremental ECAP as a method to produce ultrafine grained aluminium plates
... modified ECAP method, namely incremental ...conventional ECAP, incremental ECAP works in small steps in which deformation and feeding are divided between two different tools acting ... See full document
6
Incremental ECAP as a novel tool for producing ultrafine grained aluminium plates
... Fig. 7 shows representative TEM micrographs taken from the Y plane of IECAPed billets after different number of passes. After the first pass (Fig.7 (a)) one can notice small grains elongated along deformation ... See full document
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Producing high-strength metals by I-ECAP
... of incremental equal channel angular pressing (I-ECAP) was proposed by Rosochowski and Olejnik [13] as a result of research conducted at the University of Strathclyde, which was aimed at the develop- ment ... See full document
5
Grain refinement in technically pure aluminium plates using incremental ECAP processing
... modified ECAP method, namely incremental ECAP (described in details in the next ...paragraph). Incremental processing reduces forces and allows processing relatively large ...by ... See full document
25
On the evolution of microstructure and texture in commercial purity titanium during multiple passes of incremental equal channel angular pressing (I-ECAP)
... processed billets after first, second, fourth and sixth pass of I-ECAP ...the billets using a linear precision saw, following the cut plan as shown in ...conventional ECAP, the ND direction is ... See full document
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Effect of incremental equal channel angular pressing (I-ECAP) on the microstructural characteristics and mechanical behaviour of commercially pure titanium
... the billets during deformation ...of billets, this load is counter bal- anced not only by the die A (shown as green arrows) but also by the plunger B (shown as blue ...of billets during the pressing ... See full document
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Effect of channel angle on the material flow and hardness distribution during incremental ECAP of Al-1050 billets
... the billets have to be straightening before they can undergo other ...two billets in the head region are quite different from each other because of the different ... See full document
12
Incremental ECAP of thick continuous plates - machine and initial trials
... of ECAP passes, required to accumulate high strain, the classical ECAP process was modified to incorporate a channel with two turns [6], which is equivalent to route C (180° rotation about billet axis) ... See full document
6
Tailored sheared blanks produced by incremental ECAP
... UFG billets usually require further forming into useful preforms and products, for example, by rolling, extrusion, drawing or other metal forming ...of billets but also further improve their mechanical ... See full document
6
A Portrait of Copper Processed by Equal Channel Angular Pressing
... the ECAP processed and the coarse grained ...the ECAP processed copper is presented, it is seen that a uniform corrosion attack had occurred, no preferential corrosion attack at the grain boundaries being ... See full document
7
Wytwarzanie wielofunkcyjnych blach do tłoczenia za pomocą przyrostowego odkształcania w kanale kątowym : Production of tailored blanks by Incremental ECAP
... W artykule podano przegląd obecnie stosowanych metod produkcji wielofunkcyj- nych wykrojek blaszanych o zmiennej grubości przeznaczonych do tłoczenia (tzw. Tailored Blanks, TB) wraz ze wskazaniem obszarów ich ... See full document
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Processing and Mechanical Properties of Fine Grained Magnesium by Equal Channel Angular Pressing
... the ECAP processed pure magne- sium is summarized in Table ...after ECAP by 9–21%, depending on the processing ...after ECAP is attributed to the work hardening caused by the formation of subgrain ... See full document
5
Intermetallic Particle Evolution during ECAP Processing of a 6082 Alloy
... behaviour during ECAP in underaged and overaged alloys. Deformation banding was favoured in the material with the highest workhardening rate such as the underaged alloy while the coarse precipitates formed in the ... See full document
5
Effect of Equal Channel Angular Pressing on the Distribution of Reinforcements in the Discontinuous Metal Matrix Composites
... in the composite with the larger initial powder size by rep- etition of ECAP at 373 K are shown in Fig. 4. By the first pass, the shape of the clusters changed from the initial irreg- ular shape (Fig. 1(a)) to the ... See full document
5
Constrained incremental tree building: new absolute fast converging phylogeny estimation methods with improved scalability and accuracy
... fast converging (AFC) under the CFN and GTR sequence evolution models, and that some of these meth- ods achieve O(n 2 ) time and space (where n is the num- ber of sequences) once the dissimilarity matrix relating ... See full document
12
Studies On Production Of Quality Billets For Constructional Steels
... Abstract— Steel is an alloy of iron and carbon in plain carbon steel. However alloysteel consists of Ni,Cr,Mo,W,Vetc apart from carbon and iron.The carbon is distributed throughout the mass of the metal occupying ... See full document
5
Knowledge politics and new converging technologies: a social epistemological perspective
... The Converging Technologies Agenda: The Stakes and the Prospects There is an ongoing struggle between the US and EU to define the direction given to the idea of ‘converging technologies [r] ... See full document
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