Results 101 to 110 of about 16,253 (207)

Predictive model for polishing times in mould finishing [PDF]

open access: yes, 2013
El pulido, proceso final utilizado en la producción de piezas, es a menudo lento y se aplica manualmente. Normalmente define la rugosidad superficial y la precisión de la pieza.
González Rojas, Hernan Alberto   +4 more
core  

Electricity from photovoltaic solar cells: Flat-Plate Solar Array Project final Report. Volume III: Silicon sheet: wafers and ribbons [PDF]

open access: yes, 1986
The Flat-Plate Solar Array (FSA) Project, funded by the U.S. Government and managed by the Jet Propulsion Laboratory, was formed in 1975 to develop the module/array technology needed to attain widespread terrestrial use of photovoltaics by 1985.
Briglio, A.   +3 more
core  

Machinery, equipment and tools: A compilation [PDF]

open access: yes
A selection of new hand tools, modifications of existing tools, and techniques developed in the course of NASA research and development project is presented.

core   +1 more source

Experimental study on the effect of abrasive water jet impact angle on the cutting performance of sandstone

open access: yesMeitan xuebao
Abrasive water jet is a highly efficient cutting technology. Through some sandstone cutting tests, the research on the optimal impact angle and inclined cutting mechanism of rock-like materials is carried out.
Ruifu YUAN   +6 more
doaj   +1 more source

Investigation of surface adhesion produced by high-speed flame spraying [PDF]

open access: yes, 2007
Peculiarities of surface adhesion based on nickel, produced by high-velocity spraying on steel base with different surface morphology have been analysed.
Klimenov, V. А.   +3 more
core  

Hydration-assisted Ultrasonic Abrasive Flow Polishing Technology on Sapphire Microcavity

open access: yesDEStech Transactions on Computer Science and Engineering, 2019
Xiao-bing LIU, Lin MA
openaire   +2 more sources

Tribological properties of structural ceramics [PDF]

open access: yes
The tribological and lubricated behavior of both oxide and nonoxide ceramics are reviewed in this chapter. Ceramics are examined in contact with themselves, other harder materials and metals.
Buckley, D. H., Miyoshi, K.
core   +1 more source

Experimental of Abrasive Flow Machining on P20 Surface Mold Polishing

open access: yesExperimental of Abrasive Flow Machining on P20 Surface Mold Polishing
The paper presents the effect of the clearanceof specimens and tools for surface roughness (Ra) of P20 mold steel that is related to abrasive flow machining (AFM). This study experimented with flat specimens. AFM experiments are performed to identify the improved surface roughness when applied to the polishing specimens.
openaire  

Carbide Twist Drill Spiral Groove Abrasive Flow Polishing and Abrasive Flow Analysis

open access: yesManufacturing Technology
Tian Ji   +4 more
openaire   +1 more source

How to evaluate solid lubricant films using a pin-on-disk tribometer [PDF]

open access: yes
Over the years, the author has evaluated and compared hundreds of solid lubricant films using a pin-on-disk tribometer. The intent of this paper is to describe to the reader experimental techniques and some of parameters that have been observed to be ...
Fusaro, R. L.
core   +1 more source

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