Results 51 to 60 of about 103,994 (289)

Cracks in glass electrical connector headers removed by dry blasting with fine abrasive [PDF]

open access: yes, 1967
Cracking that causes pressure leakage in glass connector headers can be alleviated by manipulating the pin bridgewire connectors. This initiates the surface and meniscus cracks.
Eckert, R. W.
core   +1 more source

The influence of surface treatment of PVD coating on its quality and wear resistant [PDF]

open access: yes, 2019
The article deals with a determination of the influence of a cutting edge preparation on the quality and wear resistance of coated cutting tools. Cutting inserts made from a sintered carbide with a deposited layer of PVD coating were selected for ...
Malotová, Šárka   +3 more
core   +1 more source

Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics

open access: yesFEBS Open Bio, EarlyView.
Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini   +2 more
wiley   +1 more source

Some remarks on particle size effects on the abrasion of a range of Fe based alloys [PDF]

open access: yes, 2010
The low-stress three body abrasion behaviour of a range of steels was investigated. The tests were carried out in a rubber wheel tester (according to ASTM G65-94, reapproved in 2000) at room temperature.
Almeraya-Calderon, F.   +4 more
core   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

Adaptable Tile‐Based Pneumatic Origami through Structurally Coupled Localized Actuation

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents tile‐based pneumatic origami structures with rigid tiles and flexible fabric creases, achieving adaptable properties including morphing shape, selective multistability, and tunable stiffness. Independently pressurized folding bladders at each crease enable structurally coupled localized actuation of origami structures.
Tiantian Li, Jonathan Luntz, Diann Brei
wiley   +1 more source

CHANGING BARREL SURFACE MACROGEOMETRY THROUGH VIBROFINISHING TREATMENT ON FLAT OSCILLATING SURFACE

open access: yesВестник Донского государственного технического университета, 2018
The experimental results of barrel vibrofinishing (grinding-in) through rolling on the flat oscillating surface are presented. The given method is nonconventional, and it includes both finishing methods and vibrotransportation.
Nikolay V. Mategorin   +1 more
doaj  

Study on whole factorial experiment of polishing the micro-hole in non-linear tubes by abrasive flow

open access: yesAdvances in Mechanical Engineering, 2018
It is generally observed that special channels exit in many key components of machine, such as non-linear tube, applied in military or civil industries. Its surface finish is a crucial factor in the whole performance of machine.
Guosong Liu   +4 more
doaj   +1 more source

Optimisation design and analysis of variable-diameter pipe parameters for solid–liquid two-phase abrasive flow processing

open access: yesThe Journal of Engineering, 2020
To study the quality control technology and process specifications of solid–liquid two-phase abrasive flow research and development, the fourth-order variable diameter pipe is taken as the research object, and then the quality control method of abrasive ...
Junye Li   +7 more
doaj   +1 more source

Apparatus and method for inspecting a bearing ball [PDF]

open access: yes, 1985
A method and apparatus for inspecting the surface of a ball bearing is disclosed which includes a base having a high friction non-abrasive base scanning surface. A holding device includes a cone-shaped cup recess in which a ball element is received.
Bankston, B. F.
core   +1 more source

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