Many studies related to the influences of material parameters on the sheet metal forming performance have been discussed. M. Arul Kumar et al. [7] believe that pronounced plastic anisotropy is the primary reason for the low formability of Mg and reducing the anisotropy should be considered an effective way to improve its formability. Gyu-Jin Oh et al. [8] …
In this paper, finite element method was used to simulate the forming process of Zr-4 sheet, and effect of different initial hardening exponent (n value) on the formability of sheet is …
Yield strength and stretch formability represented by the Index Erichsen (IE) value at room temperature of various Mg alloys sheets. Higher IE values mean that the alloys exhibit better formability.
Zirconium alloys are widely used in the nuclear industry due to its excellent comprehensive properties [1].Structural components comprising zirconium alloys are often under biaxial stresses during manufacturing and servicing [2].It is found that the failure limit and stretch formability of the zirconium alloy tube [3] or plate [4] are reduced under the biaxial stress …
Data Sheet . COPPER CHROMIUM ZIRCONIUM - CC102/CW106C . CC102/ CW106C is a high copper alloy containing a . small amount of chromium & zirconium that improve its . ... Hot formability. Good: Cold formability. Fair: Machinability rating (free cutting brass=100) 25%: Joining Methods. Soldering: Good. Brazing: Fair. Gas-shielded arc welding:
Zirconium, brought to you by Steelco Metal, is a shining example of versatility and exceptional corrosion resistance. This silvery-white metal is a key player across a myriad of industries, from nuclear technology to aerospace, thanks to its outstanding properties.
PDF | On Jun 29, 2021, H Liu and others published Virtual design of formability for Zircaloy-4 sheet through texture control Virtual design of formability for Zircaloy-4 sheet through texture ...
Abstract Zirconium alloy is extensively used in nuclear industries as cladding and core structural material. However, the formability and service behavior are affected due to the anisotropy of mechanical property, which is detrimental to the specific application. In this work, effect of pre-straining and subsequent annealing (PA) on microstructure and mechanical …
A major method for evaluating the formability of sheets was proposed by Marciniak and Kuczynski [3], a numerical method introducing imperfections of sheets known as the M-K model.
The effects of annealing treatments (ATs) on the microstructure of Zr−Sn−Nb alloy strips were studied. Based on the characteristics of strips for nuclear fuel assemblies, punching experiments were carried out and the formability of zirconium …
The current research focusses on the forming limit curves (FLC), which is one of the way of investigation performed to predict the formability of the material Zirconium 702 (Zr702) with the sheet thickness 100 microns. ABSTRACT Application of Zirconium alloys for biomedical applications have received increasing attention. Unique properties like formation of an internal …
Formability Characteristics of Aluminium Sheet 29 pages, 30 figures Advanced Level prepared by K. Siegert and S. Wagner, Institut für Umformtechnik, Universität Stuttgart Objectives: − to describe the fundamental formability characteristics of automotive aluminium
In this paper, finite element method was used to simulate the forming process of Zr-4 sheet, and effect of different initial hardening exponent (n value) on the formability of …
The process formability of incremental sheet forming (ISF) is better than the conventional forming processes. Stretching, through-thickness-shear, bending-under-tension (BUT), and compressive forces are the proposed deformation mechanisms for improved formability; however, researchers have not corroborated (on consensus) the relative significance of any one among these. …
DOI: 10.1016/J.MSEA.2010.09.081 Corpus ID: 135945587; Influence of Zn concentration on stretch formability at room temperature of Mg–Zn–Ce alloy @article{Chino2010InfluenceOZ, title={Influence of Zn concentration on stretch formability at room temperature of Mg–Zn–Ce alloy}, author={Yasumasa Chino and Xinsheng Huang and …
However, zirconium sheets generally undergo complex forming processes to fabricate complex structural components; that is, the effects of the initial texture and forming conditions for zirconium sheets are completely different from those for Zr-4 tubes, which assert a higher demand on their formability.
This paper reviews the most recent models for description of the anisotropic plastic behavior and formability of sheet metals. After a brief review of classic isotropic yield functions, recent advanced anisotropic criteria for polycrystalline materials of various crystal structures and their applications to cup drawing are presented. Next, the discussion focuses …
To examine the formability of sheet zirconium in forming processes, some fundamental sheet forming tests, i.e. the deep drawing, the Erichsen and the bore-expanding tests are carried out …
FORMABILITY. Although zirconium can be formed using standard shop equipment, it does have a tendency to react with gases in the air at elevated temperatures and to gall and seize under sliding contact with other metals. ... Sheet or strip zirconium can be easily bent on conventional press brake or roll forming equipment to a 5T bend radius at ...
Zirconium and Scandium additives, up to 0.02 percent, have been found to effectively increase UTS and YS. 3. Scandium and zirconium additives were found to successfully compensate for the decrease in Magnesium. 4.
Semantic Scholar extracted view of "Numerical analysis of formability of a commercially pure zirconium sheet in some sheet forming processes" by H. Takuda et al.
Thus the formability of sheet 22MnB5 at elevated temperature is better than other steel sheets for cold stamping when the forming conditions are simple like U shape drawing, etc. ... (1968) The influence of nitrogen, titanium, and zirconium on the boron hardenability effect in constructional alloy steels. US Steel Corp., Monroeville, Pa.
Semantic Scholar extracted view of "Formability of a commercially pure zirconium sheet" by H. Takuda et al. Skip to search form Skip to main content Skip to ... {Takuda1998FormabilityOA, title={Formability of a commercially pure zirconium sheet}, author={Hirohiko Takuda and Shiomi Kikuchi and Natsuo Hatta}, journal={Journal of Materials ...
The effectiveness of Ca or Gd addition on ductility and formability of Mg-Zn-Zr based dilute alloys in deep drawing has not been systematically compared previously. In this study, formable Mg-Zn-Gd-Zr and Mg-Zn-Ca-Zr sheet alloys are produced by hot rolling. These sheets have similarly weakened basal texture, but the sheet of the Mg-Zn-Gd-Zr alloys has …
Titanium alloy sheets present inferior formability and severe springback in conventional forming processes at room temperature which greatly restrict their applications in complex-shaped components. In this paper, deformation characteristics and formability and springback behaviors of titanium alloy sheet at room temperature are systematically reviewed. …
AA7020 sheets with different Zr contents were successfully fabricated by twin-roll casting process. In order to investigate the effect of Zr content on AA7020 twin-roll cast sheets, the microstructure and mechanical properties were detected by optical microscope, scanning electron microscope, transmission electron microscope, hardness tester and universal testing …
Therefore, texture optimization with the proposed rolling process can improve the formability of Zr-4 sheets, which effectively solves the cracking problem of Zr-4 sheets. The parameters for VPSC ...
(DOI: 10.1080/2374068X.2020.1731229) In sheet metal forming processes, formability is a critical material property that needs to be estimated before the production of forming parts. Some popular tools used in the literature to study t...
DOI: 10.1016/S0921-5093(97)00520-0 Corpus ID: 137541480; Numerical analysis of formability of a commercially pure zirconium sheet in some sheet forming processes @article{Takuda1998NumericalAO, title={Numerical analysis of formability of a commercially pure zirconium sheet in some sheet forming processes}, author={Hirohiko Takuda and Natsuo …
ABSTRACT In sheet metal forming processes, formability is a critical material property that needs to be estimated before the production of forming parts. Some popular tools used in the literature to study the formability of the sheet metal are: Forming Limit Diagram (FLD), Fracture Forming Limit Diagram (FFLD) and Forming Stress Limit Diagram (FSLD). …
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