tube hydroforming of magnesium alloys at elevated

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tube hydroforming of magnesium alloys at elevated

results for this questionFeedbackTube Hydroforming of Magnesium Alloys at Elevated

Jun 24,2010·This self-designed forming machine has a capacity of 50 tons for axial feeding and counter punch,70 MPa for internal pressurization,and 300 ° C for forming temperature.Using this testing machine,experiments of T-shape protrusion of magnesium alloy AZ61 tubes at elevated temperatures are carried out.A commercial finite element code DEFORM 3D is used to simulate the results for this questionWhat are the advantages of hydroforming?What are the advantages of hydroforming?The main advantage of hydroforming in the production of composite components is that the hydrostatic pressure applies a uniform normal pressure on all surfaces of the laminate,during both the forming and the consolidation phases of the process.Hydroforming - an overview ScienceDirect Topics

results for this questionWhat is passive hydroforming?What is passive hydroforming?Hydroforming can be used on sheets and tubes.Hydroforming of sheets can be either passive or active hydroforming (or hydro-mechanical forming).In passive hydroforming the punch forces the material against a body of fluid (usually water).As the pressure increases in the fluid the material is forced against the punch thus changing in shape.Hydroforming - an overview ScienceDirect Topics(PDF) Analysis and reduction of wrinkling defects for tube

Wrinkling defects commonly occur in tube hydroforming (THF) magnesium (Mg) alloy at elevated temperatures when the tube-end and axial-feeding regions of the workpiece are overheated.

12345NextStudy on y-shape tube hydroforming of magnesium alloys

A commercial finite element code of DEFORM 3D is used to simulate the plastic deformation of AZ61 magnesium alloy tube during a y-shape hydroforming process at elevated temperatures.Adaptive simulations in T-shape tube hydroforming with Friction tests in magnesium tube hydroforming at elevated temperatures.In Proceedings of the 14th international ESAFORM conference on material forming ,Belfast,Northern Ireland 2729 April 2011 ,AIP Conf Proc 2011 ; 1353 1765 1769 .

Analysis and reduction of wrinkling defects for tube

Analysis and reduction of wrinkling defects for tube-hydroforming magnesium alloy components at elevated temperatures Author links open overlay panel T.F.Kong X.Z.Lu L.C.Chan Show moreAnalysis and reduction of wrinkling defects for tube Wrinkling defects commonly occur in tube hydroforming (THF) magnesium (Mg) alloy at elevated temperatures when the tube-end and axial-feeding regions of the workpiece are overheated.Most previously proposed methods for preventing such defects have been applied at room temperature and restricted by several limitations.

Analysis and reduction of wrinkling defects for tube

Wrinkling defects commonly occur in tube hydroforming (THF) magnesium (Mg) alloy at elevated temperatures when the tube-end and axial-feeding regions of the workpiece are overheated.Most previously proposed methods for preventing such defects have been applied at room temperature and restricted by several limitations.Applications of magnesium alloys in automotive engineering Jan 01,2012·Tube bending is generally needed as a pre-form step for hydroforming automotive parts,but the bendability of magnesium extrusions at room temperature is very limited.32 A moderate temperature (150200 °C) bending process has been developed at GM for magnesium alloy extrusions.33 A bend radius twice the tube outer diameter (2D) was

Cited by 13Publish Year 2010Author Yeong-Maw Hwang,Yan-Huang Su,Bing-Jian ChenStudy on y-shape tube hydroforming of magnesium alloys at

A commercial finite element code of DEFORM 3D is used to simulate the plastic deformation of AZ61 magnesium alloy tube during a y-shape hydroforming process at elevated temperatures.Cited by 2Publish Year 2010Author Y.M.Hwang,K.H.WangStudy on y-shape tube hydroforming of magnesium alloys at Jun 12,2010·Study on y-shape tube hydroforming of magnesium alloys at elevated temperatures Hwang,Y.; Wang,K.2010-06-12 00:00:00 In this paper,uniaxial tensile tests are firstly conducted to evaluate the flow stress of AZ61 magnesium alloy at different temperatures and strain rates.A commercial finite element code of DEFORM 3D is used to simulate the plastic deformation of AZ61 magnesium alloy tube during a y-shape hydroforming process at elevated

Cited by 2Publish Year 2019Author T.F.Kong,X.Z.Lu,L.C.ChanAnalysis and reduction of wrinkling defects for tube

Jul 05,2019·Abstract Wrinkling defects commonly occur in tube hydroforming (THF) magnesium (Mg) alloy at elevated temperatures when the tube-end and axial-feeding regions of the workpiece are overheated.Most previously proposed methods for preventing such defects have been applied at room temperature and restricted by several limitations.Cited by 2Publish Year 2019Author T.F.Kong,X.Z.Lu,L.C.ChanAnalysis and reduction of wrinkling defects for tube Wrinkling defects commonly occur in tube hydroforming (THF) magnesium (Mg) alloy at elevated temperatures when the tube-end and axial-feeding regions of the workpiece are overheated.Most previously proposed methods for preventing such defects have been applied at room temperature and restricted by several limitations.

Elevated Temperature Formability of Some Engineering

magnesium and tube hydroforming of magnesium alloys at elevatedalloys,and steels at elevated temperatures (>0.6 Tm) and high strain rates (>0.1/s).A new elevated-temperature biaxial formability testing technique is developed to study strain path dependence as well as temperature and strain rate dependence.The formability test and in-die forming process are simulatedFormability testing of AZ31B magnesium alloy tube at Apr 01,2010·The tube tested was AZ31B magnesium alloy tube manufactured by pierce-type die extrusion.This kind of tube can be called seamless tube,compared with the welded tube extruded by porthole die.The tube was 44 mm in diameter,1.8 mm in thickness,extruded with extrusion ratio 40:1 at 410 °C,without additional heat treatment after extrusion.

Forming Al and Mg Alloy Sheet and Tube at Elevated

Experimental investigation on the formability limits of tube hydroforming of magnesium alloys at elevatedand magnesium alloys are conducted through hydraulic bulging and deep drawing.New tube hydroforming tooling was designed and the submerged tool concept is introduced.Tube hydroforming experiments were conducted with and without axial feed by using AA6061 tubes.The formability of Mg AZ31-O sheets are determined byForming Al and Mg Alloy Sheet and Tube at Elevated Experimental investigation on the formability limits of tube hydroforming of magnesium alloys at elevatedand magnesium alloys are conducted through hydraulic bulging and deep drawing.New tube hydroforming tooling was designed and the submerged tool concept is introduced.Tube hydroforming experiments were conducted with and without axial feed by using AA6061 tubes.The formability of Mg AZ31-O sheets are determined by

Friction Tests in Magnesium Tube Hydroforming at Elevated

Apr 25,2011·The aim of this paper is to present a friction test method to evaluate the performance of different kinds of lubricants and determine their coefficients of friction at elevated temperatures in tube hydroforming of magnesium alloys.A selfdesigned experimental apparatus is used to carry out the experiments of friction tests.Friction Tests in Magnesium Tube Hydroforming at Elevated The aim of this paper is to present a friction test method to evaluate the performance of different kinds of lubricants and determine their coefficients of friction at elevated temperatures in tube hydroforming of magnesium alloys.A self-designed experimental apparatus is used to carry out the experiments of

Hydroforming - an overview ScienceDirect Topics

Tube bending is generally needed as a pre-form step for hydroforming automotive parts,but the bendability of magnesium extrusions at room temperature is very limited.35 A moderate temperature (150200 °C) bending process has been developed at GM for magnesium alloy extrusions.36 A bend radius of twice the tube outer diameter (2D) was achieved on magnesium alloy extrusions at 150ºC,Fig.8.9.36 The mechanical properties and microstructure of magnesium alloys at elevatedHydroforming of Light Weight Components from AluminumPhase I will employ the tube and sheet hydroforming process to define formability and process parameters.The formability of selected magnesium and tube hydroforming of magnesium alloys at elevatedalloys will be studied at room and elevated temperatures using novel hydroforming fabrication methods.

Hydroforming of Lightweight Aluminum and Magnesium

Hydroforming is a relatively new forming process that employs the use of a pressurized fluid to expand tubular blanks into a forming die to create efficiently shaped parts.This project will design,fabricate,and test a practical,elevated-temperature,rapid-production,hydroforming system for the production of complex-shaped,lightweight tube hydroforming of magnesium alloys at elevatedand magnesium components.Hydroforming of Lightweight Aluminum and Magnesium Phase I demonstrated the feasibility of enhancing the formability of selected tube hydroforming of magnesium alloys at elevatedand magnesium alloys at elevated temperatures using a novel tube hydroforming apparatus.Phase II will design,fabricate,and test a new prototype elevated-temperature hydroforming system.

Hydroforming of Lightweight Aluminum and Magnesium

Phase I demonstrated the feasibility of enhancing the formability of selected tube hydroforming of magnesium alloys at elevatedand magnesium alloys at elevated temperatures using a novel tube hydroforming apparatus.Phase II will design,fabricate,and test a new prototype elevated-temperature hydroforming system.Investigation on deformation behavior of magnesium alloy Aug 14,2020·The magnesium alloy pulsating hydroforming is a cold forming method with liquid pressure.13,14 It can effectively improve magnesium alloy forming performance,and these formed parts are characterized by lightweight,high-specific strength and stiffness and so on.15,16 It is of great practical significance to investigate the influence of

Investigation on wrinkling behaviors of metal thin-walled

Aug 23,2020·Analysis and reduction of wrinkling defects for tube-hydroforming magnesium alloy components at elevated temperatures.Mater Design 2019 ; 173 1 10 .Google ScholarMagnesium Tubes - Precision Tubing,Special Alloys Magnesium.The eighth most abundant element in the earths crust,and the fourth most common element in the earth overall,magnesium was discovered in 1775 by Sir Joseph Black and first isolated by Sir Humphrey Davy in 1808.Widely used for aerospace,industrial and medical applications,magnesium is often alloyed with tube hydroforming of magnesium alloys at elevatedto create a strong,lightweight,and corrosion resistant alloy

Magnesium tube hydroforming - Liewald - 2008

Apr 16,2008·Magnesium alloys reveal a good strengthtoweight ratio in the family of lightweight metals and gains potential to provide up to 30 % mass savings compared to aluminium and up to 75 % compared to steel.The use of sheet magnesium alloys for auto body applications is however limited due to the relatively low formability at room temperature.Progress on High Pressure Pneumatic Forming and Warm Complex structural tubular components of Titanium and Magnesium alloy can be obtained at a certain temperature by high pressure pneumatic forming (HPPF) with gas medium or warm hydroforming with pressurized liquid medium.At 800°C,through experimental research on HPPF of TA18 Ti-alloy tube with expansion ratio of 50%,the influence of axial feeding on thickness distribution of the workpiece

Recent developments in hydroforming technology -

Liu,G,Zhang,W,He,Z.Effect of preform on expansion limit of magnesium alloy tube within differential temperature warm hydroforming.In Proceedings of the 5th international conference on tube hydroforming,Noboribetsu,Japan,2427 July 2011.The Japan Society forRelated searches for tube hydroforming of magnesium allowhat is hydroforminghydroforming metal

Related searches for tube hydroforming of magnesium allo

what is hydroforminghydroforming metalPrevious123456NextFriction Tests in Magnesium Tube Hydroforming at Elevated Apr 25,2011·The aim of this paper is to present a friction test method to evaluate the performance of different kinds of lubricants and determine their coefficients of friction at elevated temperatures in tube hydroforming of magnesium alloys.A selfdesigned experimental apparatus is used to carry out the experiments of friction tests.Study on y-shape tube hydroforming of magnesium alloys at Jun 12,2010·In this paper,uniaxial tensile tests are firstly conducted to evaluate the flow stress of AZ61 magnesium alloy at different temperatures and strain rates.A commercial finite element code of DEFORM 3D is used to simulate the plastic deformation of AZ61 magnesium alloy tube during a y-shape hydroforming process at elevated temperatures.The effects of loading paths with different

Study on y-shape tube hydroforming of magnesium alloys

Jun 12,2010·In this paper,uniaxial tensile tests are firstly conducted to evaluate the flow stress of AZ61 magnesium alloy at different temperatures and strain rates.A commercial finite element code of DEFORM 3D is used to simulate the plastic deformation of AZ61 magnesium alloy tube during a y-shape hydroforming process at elevated temperatures.The effects of loading paths with differentT-Shape Tube Hydroforming of Magnesium Alloys With The analytical flow line distribution of the tube is utilized to determine the speed ratio of the counter punch to the axial feeding at the protrusion stage of the hydroforming process.Experiments of T-shape warm hydroforming of magnesium alloy AZ61 tubes with a 1/2 outlet diameter ratio are conducted.

T-Shape Tube Hydroforming of Magnesium Alloys With

The analytical flow line distribution of the tube is utilized to determine the speed ratio of the counter punch to the axial feeding at the protrusion stage of the hydroforming process.Experiments of T-shape warm hydroforming of magnesium alloy AZ61 tubes with a 1/2 outlet diameter ratio are conducted.Tube Bending and Hydroforming Waterloo Forming and(a) Straight tube hydroforming [DP600] (b) Pre-bent tube hydroforming [DP600] (c) S-Rail [AA5754] The tube alloys that have been tested at the University of Waterloo include Dual Phase Steel (DP600,DP800) High Strength Low Alloy Steel (HSLA350) Drawing Quality Steel (DDQ,DQAK) Interstitial-Free Steel (IF) Aluminum (EN-AW5018,AA5754)

Warm hydroforming of magnesium alloy tube with large

Nov 01,2010·However,if magnesium tube is formed at elevated temperatures and higher strain rate (higher than 10 2 s 1 ),the formability cannot be improved with temperature monotonously[7].Poor formability limits the application of tube hydroforming of magnesium alloy[8].Warm hydroforming of magnesium alloy tube with large Nov 01,2010·However,their applications are often restricted due to their poor formability at room temperature[2].To solve this problem,hydroforming at an elevated temperature,or called warm tube hydroforming,becomes more and more attractive[34].In the past decade,some investigations have been reported on warm hydroforming of magnesium alloy sheets[5].

Wrinkling defectscommonly occur in tube hydroforming (THF) magnesium (Mg) alloy at elevated temperatures when the tube-end and axial-feeding regions of the workpiece are overheated.Most previously proposed methods for preventing such defects have been applied at room temperature and restricted by several limitations.Author:T.F.Kong,X.Z.Lu,L.C.ChanCited by:2Publish Year:2019Analysis and reduction of wrinkling defects for tube

Was this helpful?People also askWhat is tube hydroforming?What is tube hydroforming?Tube hydroforming,also known as internal high pressure forming,is an advanced metal forming process (shown in Figure 34) that uses pressurized fluids such as liquid or gas to deform complex tubular components with various perimeter shape facets.Hydroforming - an overview ScienceDirect TopicsWrought Magnesium A 21st Century OutlookHydroforming is another technology that has helped to enable metals of limited formability,such as high-strength steel and titanium,to break into the automotive market on a wider scale.Researchers at Ohio State University are working to develop an elevated- temperature tube hydroforming process for tube hydroforming of magnesium alloys at elevatedand magnesium alloys.9



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