Structural optimization of microjet array cooling system

Muszyński, T.; Mikielewicz, Dariusz

doi:10.1016/j.applthermaleng.2017.05.082

Cited by 25 publications

(14 citation statements)

References 19 publications

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“…Relative joint elongation is at the level of 5% [10,11]. When welding DOCOL 1200M steel, it is recommended to limit the heat input during welding to 0.5 kJ/mm [12,13]. In order to improve the weldability of steel, it is proposed to introduce cooling that promotes martensitic transformation [14].…”

Section: Methodsmentioning

confidence: 99%

Welding of DOCOL 1200M using micro-jet cooling

et al. 2020

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In welding elements of the supporting structure of the means of transport, attention is paid to the high strength and good plastic properties of the welded joint. In the construction of transport means, DOCOL 1200M steel from the AHSS group is increasingly used due to their high tensile strength of steel at the level of 1200 MPa. The welds have much lower strength than the native material. In this paper, it was decided to check the weldability of DOCOL 1200M steel with the use of micro-jet cooling

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Section: Methodsmentioning

confidence: 99%

Welding of DOCOL 1200M using micro-jet cooling

et al. 2020

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“…It is therefore recommended to limit the heat input during welding to the level of 5 kJ/cm [8] and to use welding energy sources that enable precise control of the amount of energy introduced into the welded joint [9,10]. In order to improve the weldability of steel, it is proposed to introduce cooling that promotes martensitic transformation [8,11].…”

Section: Materials and Research Methodsmentioning

confidence: 99%

Welding of mobile elevating work platforms

et al. 2019

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The demand for new welding technologies in civil engineering and transport is increasing. An example of this is the tendency to increase the operating range of a mobile platform mounted on motor vehicles while maintaining the weight of the vehicle. The most commonly used material in the production of mobile platforms are AHSS steels due to their high tensile strength at the level of 1400 MPa. However, the joints created with their use are characterized by much lower strength than the native material. In this article, the most appropriate parameters for welding elements of a mobile platform from difficult-to-use steel AHSS were selected.

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“…The article aims to verify whether the use of modernised technology will allow the achievement of the above-mentioned objectives. It is assumed that the use of micro-jet cooling during the welding of mobile platform elements made of Advanced High Strength Steel (AHSS) will increase the mechanical properties of the joint [9,10].…”

Section: Fig 1 Requirements Imposed Upon Mobile Platforms [3]mentioning

confidence: 99%

Welding Mobile Platforms Elements Made of Ahss Steel in View of New Requirements in Civil Engineering and Transport

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Jurek²,

Wszołek³

et al. 2019

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The developing automotive industry has prompted an increase in the demand for new welding technologies in civil engineering and transport that reduce the mass of mobile platforms mounted on vehicles and increase their operational range at the same time. The AHSS steels are the materials most commonly adapted for the production of motor vehicles due to their high tensile strength. Nonetheless, the joints created with their use are less strong from the native material. This article examined whether the application of micro-jet cooling would alter the mechanical properties of the welds. Based on the performed tests, joints with better quality that passed positively in the hardness and tensile strength evaluations were obtained. The presented research proves that the use of additional elements in the welding process significantly affects the quality of the obtained welds and brings satisfactory results with a greater repeatability than before.

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Structural optimization of microjet array cooling system

Cited by 25 publications

References 19 publications

Welding of DOCOL 1200M using micro-jet cooling

Welding of DOCOL 1200M using micro-jet cooling

Welding of mobile elevating work platforms

Welding Mobile Platforms Elements Made of Ahss Steel in View of New Requirements in Civil Engineering and Transport

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