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Energy storage welding thin plate process

CN1275731C

The present invention relates to a wide band type thin steel plate connection once flattening and capacitor energy storing welding method used for the welding technical field. Two wide...

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Welding of thin stainless-steel sheets using a QCW green laser

Bipolar plates are structured thin metal sheets and are, next to the membrane electrode assembly (MEA), one of the main components of polymer electrolyte membrane fuel

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Experimental analysis and numerical simulation of Laser welding

The objective of this study concerns simulation of Laser welding process, in a context of thin austenitic steel structures assembly. Experiments and numerical simulations

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Research on laser welding process and molding effect under energy

In order to further understand the energy deviation characteristics and internal laws in the process of high-power disk laser deep penetration welding, a multisensory fusion system was set up to monitor and analyze the variation of the energy in the different depth of the keyhole. Two different sensing technologies were integrated. The first was photodiode sensing

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2mm Thin Plate Welding: Unmasking the Deformation Mystery

In welding processes involving stainless steel thin plates, they are prone to warping, which can be attributed to various factors. To control the distortion during welding, it is essential to first understand the impact of different welding methods on the deformation. Related reading: How to Fix Stainless Steel Welding Deformation? The majority of welding techniques

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Experimental analysis and numerical simulation of Laser welding of thin

The objective of this study concerns simulation of Laser welding process, in a context of thin austenitic steel structures assembly. Experiments and numerical simulations have been performed in order to predict, in a robust way, distortions induced by the Laser welding.

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Low distortion and high precision welding of thin stainless steel

Fiber lasers weld at high speed with an extremely thin high power beam. It is a highly accurate, beautiful, and highly effective process that minimizes distortion caused by welding heat to a low level, and is highly effective against weld corrosion.

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Low distortion and high precision welding of thin

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A holistic approach for an intelligent laser beam welding

Laser beam welding is the state-of-the-art technology for joining micro-formed metal foils in the manufacturing of bipolar plates for proton exchange membrane fuel cells.

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Laser Application for Liquid Cold Plate Welding

Liquid cooling plate manufacturing involves various welding processes such as vacuum brazing, friction stir welding, nitrogen shielded welding, argon arc welding, laser welding, diffusion welding, and more. Each

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Welding deformation of ultra-thin 316 stainless steel plate using

In this study, a three-dimensional finite element model for laser welding of a thin plate with the thickness of 0.07 mm was established based on the thermal-elastic-plastic FEM approach to simulate the temperature field and deformation of the ultra-thin 316 stainless steel in the pulsed laser welding process. A one-way coupling

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Welding deformation of ultra-thin 316 stainless steel plate using

In this study, a three-dimensional finite element model for laser welding of a thin plate with the thickness of 0.07 mm was established based on the thermal-elastic-plastic FEM

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Laser Spot Micro-Welding of Ultra-Thin Steel Sheet

This paper reports a mechanism understanding how to reduce the solder joint failure phenomenon in the laser spot micro-welding process of ultra-thin steel sheets.

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Effect of Welding Gap of Thin Plate Butt Welds on

In this study, an effective numerical model was developed for the calculation of the deformation of laser-welded 3 mm 304L stainless steel plates with different gaps (0.2 mm, 0.5 mm, and 1.0 mm).

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Welding Distortion Control: Techniques for Thin Plates

The technique properties of the joints should also be taken into account during design, as ignoring these properties can easily lead to welding distortion. The welding process is a significant aspect of steel structure construction, and a well-planned welding process can effectively reduce welding distortion and stress concentration.

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Laser Spot Micro-Welding of Ultra-Thin Steel Sheet

This paper mainly studies the effects of different laser pulse waveforms on the LSMW process in a practical welding production, and a 3D transient mathematical model coupling weld pool, laser, and the keyhole is developed to observe the LSMW process and to explain the main causes of the welding defects from the perspective of

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A Comprehensive Guide to Welding Thin Metal

Choose the Best Welding Process for Thin Metals. There are several welding methods out there, including: MIG welding; TIG welding; Stick welding; Of these methods, the best one for welding thin metals is MIG

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A holistic approach for an intelligent laser beam welding

Laser beam welding is the state-of-the-art technology for joining micro-formed metal foils in the manufacturing of bipolar plates for proton exchange membrane fuel cells. However, the process is limited in the achievable welding speed since humping and undercut effects can occur at high feed rates.

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Laser Spot Micro-Welding of Ultra-Thin Steel Sheet

Laser spot welding is an advanced micro-welding technology, which is widely used for connecting the ultra-thin plates in, e.g., aerospace, automotive, electronic products [

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Welding deformation of ultra-thin 316 stainless steel plate using

Ultra-thin metal plate (thickness <0.1 mm) is widely used in the optical instruments, aerospace and microelectronics industry, such as the high-precision collimator [1], [2].However, due to its low stiffness and the uneven temperature field, the large welding deformation easily occurs in the ultra-thin metal structure after the welding process, which

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Laser Spot Micro-Welding of Ultra-Thin Steel Sheet

Laser spot welding is an advanced micro-welding technology, which is widely used for connecting the ultra-thin plates in, e.g., aerospace, automotive, electronic products [ 1, 2, 3 ]. It has outstanding advantages of fast welding speed [ 4, 5, 6 ], high welding precision [ 7, 8 ], high energy density [ 9, 10 ], and environmental protection [ 11 ].

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A Study on Lap Joint Welding of Thin Plate ASTM F1684 Using

After overlapping two plates by about 30 mm, a welding experiment was performed on the overlapped central part, and its schematic di-agram is shown in Figure 1. Figure 1. ASTM F1684 thin plate lap joint welding test piece schematic diagram. When a thin plate is used, significant welding deformation can occur, so a jig is re-

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How to Weld Thin Metal

The welding process you choose plays a critical role in the success of the procedure. If you want to know how to weld thin metal, then keep on reading. To ensure a successful joint when working with thin gauge material, you need to keep a few things in mind. Contents show. Minimizing Burn Through. A burn through occurs when the molten weld pool

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Welding of thin stainless-steel sheets using a QCW green laser

In this paper, welding of stainless-steel material analogous to materials used in bipolar plates is examined. For this purpose, a newly developed quasi continuous wave

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Welding of thin stainless-steel sheets using a QCW green laser

In this paper, welding of stainless-steel material analogous to materials used in bipolar plates is examined. For this purpose, a newly developed quasi continuous wave (QCW) green laser source...

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Effect of Welding Gap of Thin Plate Butt Welds on Inherent

In this study, an effective numerical model was developed for the calculation of the deformation of laser-welded 3 mm 304L stainless steel plates with different gaps (0.2 mm, 0.5 mm, and 1.0 mm).

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Welding of thin stainless-steel sheets using a QCW green laser

Bipolar plates are structured thin metal sheets and are, next to the membrane electrode assembly (MEA), one of the main components of polymer electrolyte membrane fuel cells. One of the production steps of such bipolar plates is the joining process of its two halves. Laser welding is a suitable method for such an application since it

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Welding Techniques for Thin Metal

Optimize the welding parameters: Adjust the electron beam energy, beam focus, welding speed, and beam deflection to optimize the welding process for thin metal. Fine-tuning the parameters ensures optimal penetration and fusion while minimizing heat input. Joint preparation and fit-up: Proper joint preparation, including cleaning and alignment, is crucial for

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Energy storage welding thin plate process [PDF]

6 FAQs about [Energy storage welding thin plate process]

Does laser welding cause distortions in thin austenitic steel structures Assembly?

How a bipolar plate is welded?

One of the production steps of such bipolar plates is the joining process of its two halves. Laser welding is a suitable method for such an application since it is fast, non-contact, automatable, and scalable. Particularly important aspects of the weld seam are the weld seam width and depth.

Is micro-welding a problem in ultra-thin plates?

At present, the research on the physical mechanism of the micro-welding process on the ultra-thin plate is lagging behind the actual application—especially in the aspects of the influence of different laser pulse waveforms on the solder joints size—and the explanation of the defect formation is relatively weak.

How can laser spot micro-welding improve the welding efficiency?

The bonding performance between the upper and lower plates is effectively improved. It can reach the required weld depth in a short time and improve the welding efficiency of the laser spot micro-welding process.

How is laser spot welding performed on ANSI 304 stainless steel sheet?

Optimized process parameters of LSMW on the ANSI 304 stainless steel sheet. The laser spot welding experiments are carried out according to the process parameters set by the optimized waveforms, and the weld depth and the mechanical properties of different modes are obtained, as shown in Figure 12.

Does laser energy attenuation mode affect weld depth?

The results show that laser energy attenuation mode (LEAM) can only obtain shallow weld depth because of the premature decay of the laser power of waveform, resulting in the laser beam that cannot be concentrated in the keyhole. The temperature inside the keyhole of LEAM fluctuates significantly, which shows a downward trend.

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