the best magnesium alloy laser surface texturing

Laser Surface Engineering of Magnesium Alloys: A Review

3/6/2012· Laser Surface Engineering of Magnesium Alloys: A Review ASHISH SINGH1 and SANDIP P. HARIMKAR1,2 1.—School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078, USA. 2.—e-mail: [email protected]

US5958545A - Controlled laser texturing glass-ceramic …

The height of protrusions formed during laser texturing a glass-ceramic substrate is controlled by controlling the amount of the crystalline-phase of the substrate, to less than 70% by volume. In an eodiment, the amount of crystalline-phase is controlled by heating

The Role of Laser Surface Textured Patterns on Friction …

Additionally, laser surface texturing (LST) techniques are introduced and a set of typical experimental results is presented. It is shown that the introduction of textured areas can result in significant reduction in lubried conjunctional friction of a straight ring segment-to-a flat substrate.

CORE

The melted Mg-alloy presented a homogenous distribution of the alloying elements in the magnesium matrix. The laser surface melting treatment increased the microhardness of the ZE41 Mg-alloy and improved its corrosion resistance

Experimental Assessment of Laser Textured Cutting Tools …

Orthogonal dry cutting tests on 6061 aluminum alloy tubes were carried out with the textured and conventional tools (CT). The effect of the texture geometry on the cutting performance was assessed in terms of cutting forces, friction coefficient, chip compression ratio, shear angle, tool adhesions, chip morphology, and machined surface quality.

Surface Modifiion of Ti6Al4V Alloy by Pulsed Lasers: …

Surface Modifiion of Ti6Al4V Alloy by Pulsed Lasers: Microstructure and Hydrophobic Behavior 9 Figure 1. Laser surface treatments1. The present study intends to investigate the effect of various laser texturing strategies in the roughness, surface structure

Tribological properties of soft/hard hybrid surface of …

Design/methodology/approach A soft/hard hybrid surface mircoprofile of Babbitt alloy/steel was fabried by a technology of laser texture coined with hot-pressing. The friction and wear performances of bare steel (steel-h), Babbitt bush on steel (steel-s) and Babbitt filled in dimples of steel (steel-hs) were conducted on a ball-on-disc tester under dry and lubried conditions.

Effect of Process Parameters on the Weld Quality in Laser welding of AZ31B Magnesium Alloy …

this study, a fiber laser is used to weld AZ31B magnesium alloy in a lap joint configuration. Pores were formed in the weld bead that are caused by a thick oxide layer existing on the surface of as-received AZ31B samples. Process parameters

Friction behavior of laser cladding magnesium alloy against AISI …

Friction behavior of laser cladding magnesium alloy against AISI 52100 steel A. Fabren, J.E. Masse Arts et Me´tiers ParisTech, Me´caSurf Laboratory, 2, Cours des Arts et Me´tiers, 13617 Aix-en-Provence, France Keywords: Magnesium alloy Laser processing

Towards Laser-Textured Antibacterial Surfaces | Scientific …

4/7/2018· Production of hybrid macro/micro/nano surface structures on Ti6Al4V surfaces by picosecond laser surface texturing and their antifouling characteristics. Colloids and Surfaces B: …

Micro Fine Salt Milling

Laser micro-texturing using ultrashort pulse lasers is a new technology for applying surface textures with very fine features and an extremely high depth resolution. It allows the creation of small-scale textures that change the functional properties of surfaces, like reduction of .

Laser surface texturing of copper generates patterns …

Laser surface texturing of copper generates patterns that kill bacteria quickly April 27, 2020 Source: ASM International Engineers from Purdue University, West Lafayette, Ind., report that they have developed a laser treatment method that could potentially turn any metal surface into a rapid bacteria killer – just by giving the metal’s surface a different texture.

Laser Screed For Sale In Good Price- Hiking® Machinery …

Magnesium alloy bull floatis the best choice for concrete ground construction because of its excellent properties of wear resistance, light weight, impact resistance and corrosion resistance. The standard size of the base plate is 1200 * 200 (can be customized), and can be soldtogether with the whole set of adjustment bracket and aluminum tube .

The Microstructure of 100CrMnSi6-4 Steel after Laser …

This paper presents analysis of the influence of the laser hardening bearing 100CrMnSi6-4 steel on the selected properties: hardness and microstructure. The best process parameters were selected by: radiation impulse length λ = 1064 nm, different radiation power

Laser texturing a glass or glass-ceramic substrate - …

19/1/1999· texturing the surface of a glass, ceramic or glass-ceramic substrate by exposing the surface to a pulsed, focused laser light beam, through an acoustic-optical modulator to form a plurality of dome-like protrusions. 2. The method according to claim 1, comprising

‪Bo Mao‬ - ‪Google Scholar‬

Direct laser shock surface patterning of an AZ31B magnesium alloy: Microstructure evolution and friction performance X Zhang, B Mao, A Siddaiah, PL Menezes, Y Liao Journal of Materials Processing Technology 275, 116333 , 2020

Laser Marking & Laser Cleaning Solutions - Laserax - …

Surface treatments can also compromise the readability of your codes. Most marking solutions can’t address this issue. laser texturing and laser hardening in production lines. Providing laser expertise, its solutions are safe and efficient. Facebook Twitter

Effect of laser surface remelting on the microstructure …

Three types of eutectic structures attain stability during laser surface melting of Al 81 Cu 13 Si 6 ternary alloy and they each grow under a different range of overlapping processing conditions.

Wettability and friction control of a stainless steel surface …

Surface morphology The as-received stainless steel surfaces were textured by a nanosecond marking laser with different line densities Δy −1.The surface morphology depends on Δy −1 (Fig. 1c

Rapid Fabriion of Large-Area, Corrosion-Resistant …

A superhydrophobic magnesium (Mg) alloy surface was successfully fabried via a facile electrochemical machining process, and subsequently covered with a fluoroalkylsilane (FAS) film. The surface morphologies and chemical compositions were investigated using a scanning electron microscope (SEM) equipped with an energy-dispersive spectroscopy (EDS) and a Fourier-transform …

Laser Engraving Surface Pro 4 - Microsoft Community

19/5/2020· Hi, just got access to some laser cutter/engravers at school (can provide specs if necessary) and was wondering if anyone has had experience laser engraving their surface. I have found only one or two sources that do this commercially, and I am hesitant because the case is made of some alloy of magnesium.

Surface topography following pulsed laser texturing: …

5/12/2019· A model for predicting surface topography following nanosecond pulsed laser texturing of metals is applied to calculating the areal surface roughness, S a, average ablation depth, D a, and Wenzel roughness factor or adhesion area ratio, r, for a range of representative cases relating to adhesion and wettability.

US6068728A - Laser texturing with reverse lens focusing …

The depth of focus of a lens focusing system for laser texturing a magnetic recording medium is increased by reversing the lens system. Lens reversal provides symmetrical energy distributions in both negative and positive defocus ranges. An eodiment includes a