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ultrasonic vibration:

Ultrasonic vibration-assisted (UV-A) manufacturing ...

2020-3-1 · Ultrasonic vibration has been introduced to densify powders especially the metal powders to obtain an increased green body density [, , , ]. To achieve the optimal UV-A densification behavior, ultrasonic vibration should be imported at an optimum combination of ultrasonic frequency, vibration amplitude, and applied time [11,14].

Effects of ultrasonic vibration on the microstructure and ...

2017-1-24 · To modify the microstructure and enhance performances, the ultrasonic vibration is applied in the mould casting of TiAl alloy. The effects and mechanism of ultrasonic vibration

A lens ultrasonic vibration-assisted laser machining ...

Ultrasonic vibration could affect the convection and solidification behaviors of the molten pool formed by the laser machining on the surface of the workpiece. Therefore, ultrasonic vibration has been widely used in many laser machining fields, such as drilling, cladding, welding, and additive manufacturing.

An ultrasonic vibration-assisted system development for ...

2021-9-1 · One-dimensional ultrasonic vibration is applied to the ID sawing for the first time to saw the hard and brittle material. Based on the theoretical premise, an ultrasonic vibration system is developed, and the single-crystal silicon specimen is sawn in series of experiments.

Vibration – amplitude – frequency - Herrmann Ultrasonics

Vibration – amplitude – frequency During the ultrasonic welding process mechanical vibrations with defined amplitude, force and duration are applied to the materials to be welded. Due to intermolecular and surface friction heat is generated and melts the material. The core of the ultrasonic welding system is

Effects of ultrasonic vibration on performance and ...

2018-7-28 · Ultrasonic vibration can reduce the forming force, decrease the friction in the metal forming process and improve the surface quality of the workpiece effectively. Tensile tests of AZ31 magnesium alloy were carried out. The stress–strain relationship, fracture modes of tensile specimens, microstructure and microhardness under different vibration ...

ultrasonic vibration - 英中 – Linguee词典

大量翻译例句关于"ultrasonic vibration" – 英中词典以及8百万条中文译文例句搜索。 Translator Translate texts with the world's best machine translation technology, developed by the creators of Linguee.

Ultrasonic vibration assisted laser (UVAL) treatment of ...

Ultrasonic vibration in the field of mechanical processing, especially in aided manufacturing areas, play an important role which has been widely used in brittle

Follow-up ultrasonic vibration assisted laser welding ...

2021-6-1 · Ultrasonic vibration has been widely employed to assist fusion welding. There were primarily three ways for ultrasonic vibration to assist fusion welding. In the first way, ultrasonic is transmitted to the molten pool by arc space, called as ultrasonic assisted tungsten inert gas (U-TIG).

Ultrasonic Vibration Transducer | Ultrasonic Vibrating ...

Ultrasonic Vibration Transducer consists of gland, piezoelectric ceramic, electrode piece, radiant head, pre-stressed screws and insulating casing composition. Main Features of Ultrasonic Vibration Transducer. High efficiency. Simple operation. Small volume, move easily. Especially suitable for fine powder of screening.

Experimental research on ultrasonic vibration ...

2021-1-7 · The acceleration of ultrasonic vibration can be expressed as a = (2πfA) 2 sin(2πft). In this study, the frequency f is 24.83 KHz and the vibration amplitude A at countersinking edge is 1.34 um. Therefore, the maximum acceleration of ultrasonic vibration is 43704 m/s 2. The extremely high acceleration would cause high impact force on fibers ...

A lens ultrasonic vibration-assisted laser machining ...

Ultrasonic vibration could affect the convection and solidification behaviors of the molten pool formed by the laser machining on the surface of the workpiece. Therefore, ultrasonic vibration has been widely used in many laser machining fields, such as drilling, cladding, welding, and additive manufacturing.

Softening effect of ultrasonic vibration on

Softening effect of ultrasonic vibration on micro-blanking deformation behaviour of titanium foil Yang Liu1, Chunju Wang1,2 , Bin Guo1,2, Debin Shan1,2, Manman Zhang1 1National Key Laboratory for Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001, People’s Republic of China 2Key Laboratory of Microsystems and Microstructures Manufacturing (HIT), Ministry of ...

ultrasonic vibration - 英中 – Linguee词典

大量翻译例句关于"ultrasonic vibration" – 英中词典以及8百万条中文译文例句搜索。 Translator Translate texts with the world's best machine translation technology, developed by the creators of Linguee.

Experimental Study of a Novel Ultrasonic Vibration ...

2021-5-8 · A novel ultrasonic vibration-assisted structure for radial milling is proposed, and the ultrasonic vibration-assisted radial milling (UVARM) is further studied in terms of theoretical model and milling experiment. The motion and feed characteristics of UVARM are also analyzed. A special fixture is designed to construct the experimental platform of UVARM, in which the vibration

Vibration – amplitude – frequency - Herrmann Ultrasonics

The travel of the weld tool, meaning the distance between the peak position and the zero position, is referred to as amplitude - in ultrasonic welding the amplitude is between 5 and 50 μm. Amplitude-frequency-wave length-definition. The wave length λ is calculated from the sound velocity, which is a material characteristic, and the frequency.

Simulation and Experiment of New Ultrasonic Vibration

A reasonable ultrasonic vibration network can improve the casting quality of aluminum alloy. Ultrasonic vibration network based on a honeycomb structure has been designed, referred to as a new vibration network. The new vibration network can solve the problems of nonuniform distribution of power ultrasonic wave, small working area and low volume of ultrasonic vibration network, low efficiency ...

Efficiently harvesting the ultrasonic vibration energy of ...

The ultrasound-vibration-induced interior piezoelectric field drove electrons and holes to migrate in opposite directions towards the surface of nanosheets, leading to the formation of active species. This 2D g-C 3 N 4 presented excellent piezocatalytic performance for the degradation of dichlorophenols, ...

Surface roughness prediction model in ultrasonic vibration ...

2018-2-12 · Pre-knowledge of machined surface roughness is the key to improve whole machining efficiency and meanwhile reduce the expenditure in machining optical glass components. In order to predict the surface roughness in ultrasonic vibration assisted grinding of brittle materials, the surface morphologies of grinding wheel were obtained firstly in the present work, the grinding wheel model

What is Ultrasonic Vibration Guide Lighting Tooth Cleaner ...

What is Ultrasonic Vibration Guide Lighting Tooth Cleaner Clean Oral Ultrasonic Tooth Cleaner, KS-KT4 manufacturers & suppliers on Video Channel of Made-in-China.

Experimental research on ultrasonic vibration ...

2021-1-7 · The acceleration of ultrasonic vibration can be expressed as a = (2πfA) 2 sin(2πft). In this study, the frequency f is 24.83 KHz and the vibration amplitude A at countersinking edge is 1.34 um. Therefore, the maximum acceleration of ultrasonic vibration is 43704 m/s 2. The extremely high acceleration would cause high impact force on fibers ...

A lens ultrasonic vibration-assisted laser machining ...

Ultrasonic vibration could affect the convection and solidification behaviors of the molten pool formed by the laser machining on the surface of the workpiece. Therefore, ultrasonic vibration has been widely used in many laser machining fields, such as drilling, cladding, welding, and additive manufacturing.

ultrasonic vibration transducer, Efficient And Technology ...

ultrasonic vibration transducer can bring your cleaning machine back to life. You can get both electrical as well as non-electrical. ultrasonic vibration transducer. Buy. ultrasonic vibration transducer and go for your small cleanliness restoration drive straight away! They serve to be pretty good alternatives for gifting to your family or get ...

INFLUENCE OF ULTRASONIC VIBRATION ON

2016-8-11 · ultrasonic vibration to enhance material flow (pseudo-warm microforming). The objective of this study is therefore to investigate the influence of ultrasonic vibrations on forming-load characteristic, material flow, and tribological conditions pertaining to microextrusions. Some Aspects of the Mechanics of Ultrasonic Microextrusion

Vibration – amplitude – frequency - Herrmann Ultrasonics

The travel of the weld tool, meaning the distance between the peak position and the zero position, is referred to as amplitude - in ultrasonic welding the amplitude is between 5 and 50 μm. Amplitude-frequency-wave length-definition. The wave length λ is calculated from the sound velocity, which is a material characteristic, and the frequency.

Ultrasonic Vibration Assisted Electro-Discharge Machining ...

Mostly ultrasonic vibration is applied along with the EDM process to increase the efficiency of the process through debris cleansing from the sparking gap. There have been significant changes in ultrasonic assisted technology during the past years. Due to its inherent advantages, ultrasonic assistance infiltrated in different areas of EDM, such ...

Simulation and Experiment of New Ultrasonic Vibration

A reasonable ultrasonic vibration network can improve the casting quality of aluminum alloy. Ultrasonic vibration network based on a honeycomb structure has been designed, referred to as a new vibration network. The new vibration network can solve the problems of nonuniform distribution of power ultrasonic wave, small working area and low volume of ultrasonic vibration network, low efficiency ...

Efficiently harvesting the ultrasonic vibration energy of ...

The ultrasound-vibration-induced interior piezoelectric field drove electrons and holes to migrate in opposite directions towards the surface of nanosheets, leading to the formation of active species. This 2D g-C 3 N 4 presented excellent piezocatalytic performance for the degradation of dichlorophenols, ...

An ultrasonic vibration-assisted system development for

2021-4-4 · An ultrasonic vibration-assisted system development for inner-diameter sawing hard and brittle Journal of Materials Processing Technology ( IF 5.551) Pub Date : 2021-03-29, DOI: 10.1016/j Hang Zhang, Yong-Chen Pei, Qin-Jian Liu, Lu-Lu Wang

Effect of ultrasonic vibration-assisted pelleting of biomass

2020-8-26 · The objective of this research was to investigate the potential of ultrasonic vibration-assisted (UV-A) pelleting as pretreatment method to produce biochar with desired properties. In this study, poplar (PP), switchgrass (SG), and wheat straw (WS) were ...

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