2016
DOI: 10.1177/0309324716651028
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Elevated temperature forming limit strain diagrams of automotive alloys Al6014-T4 and DP600: A case study

Abstract: The press formability of the automotive materials such as aluminum alloys, magnesium alloys and steels is influenced by forming temperatures. While adjusting the temperature level of die, punch and binder, the lightweight materials can successfully be formed, especially for complex automotive body parts. The objective of this case study is to determine the forming limit curves of Al6014 and DP600 alloy sheet at elevated temperatures in specific range of 200°C and 250°C suitable for press operation in long-run … Show more

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Cited by 16 publications
(10 citation statements)
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“…Lightweight vehicles have great benefits in terms of energy saving and air pollution reduction. 1 However, the low formability 2,3 and high tool-sheet contact pressures 4 are the two main challenges for forming AHSS, which require more attention to the design of the sheet metal forming processes. Finite element modelling has been widely accepted as a powerful tool for designing the tools and establishing the process operating parameters in sheet metal forming, contributing for the reduction of the time-to-market and start-up costs.…”
Section: Introductionmentioning
confidence: 99%
“…Lightweight vehicles have great benefits in terms of energy saving and air pollution reduction. 1 However, the low formability 2,3 and high tool-sheet contact pressures 4 are the two main challenges for forming AHSS, which require more attention to the design of the sheet metal forming processes. Finite element modelling has been widely accepted as a powerful tool for designing the tools and establishing the process operating parameters in sheet metal forming, contributing for the reduction of the time-to-market and start-up costs.…”
Section: Introductionmentioning
confidence: 99%
“…It was found that strain hardening alloys (AA5754 and AA5182) showed better improvement in formability than the precipitation hardening alloy (6111-T4). Saxena et al 23 determined FLDs of AA6014-T4 and DP600 steel at elevated temperatures and found that the FLD level increased with an increase in the temperature in the case of 6014 alloy, while it slightly decreased with temperature in the case of DP600. Hill 24 proposed a necking criterion in thin sheets when deformed under plane stress.…”
Section: Introductionmentioning
confidence: 99%
“…Aluminum alloy’s formability at room temperature is lower than that of warm or elevated temperatures. 29 Complex design of some automotive parts requires high temperature FLD. 30 Both the electro-chemical etching and the laser marking can be appropriate methods to produce grids that will resist to decomposition at warm or high temperatures.…”
Section: Resultsmentioning
confidence: 99%