Results 61 to 70 of about 24,069 (204)

Index to NASA Tech Briefs, January - June 1967 [PDF]

, 1967
Technological innovations for January-June 1967, abstracts and subject ...

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Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology [PDF]

Cailiao Baohu
Bearings，regarded as the “heart” of aircraft engines，operate under extreme conditions involving high temperatures，high pressures，and high speeds，with fatigue being their primary failure mode.To enhance the performance of aerospace bearings and ...
ZHANG Hao, PAN Yongzhi, YANG Yanzhao, ZHUANG Qikai, LIANG Hao, MEN Xiuhua
doaj   +1 more source

Manufacturing Component Parts of Mining Equipment With Application of Hardening Technologies [PDF]

, 2004
To ensure highest hardness and wear resistance the authors develop an aggregate technology of manufacturing mining equipment component parts. The aggregate technology of manufacturing faced component parts includes the following operations: plasma-jet ...
Albajar, C., Amapane, N., Arce, P., Autermann, Christian Tobias, Bellato, M., Benettoni, M., Benvenuti, A., Bontenackels, M., Caballero, J., Cavallo, F. R., Cerrada, M., Cirio, R., CMS Collaboration, Colino, N., Conti, E., Dal Corso, F., Dallavalle, G. M., de la Cruz, B., de Trocóniz, J. F., Fernandez, C., Fouz, M. C., Garcia Raboso, A., Garcia-Abia, P., Gasparini, F., Gasparini, U., Giacomelli, P., Gonella, F., Gulmini, M., Hebbeker, Thomas, Hermann, S., Hoepfner, K., Jimenez, I., Josa, I., Lacaprara, S., Marcellini, S., Mariotti, C., Maron, G., Maselli, S., Meneguzzo, A. T., Monaco, V., Montanari, A., Montanari, C., Montecassiano, F., Navarria, F. L., Odorici, F., Passaseo, M., Pegoraro, M., Peroni, C., Perrotta, A., Puerta, J., Reithler, H., Romero, A., Romero, L., Ronchese, P., Rossi, A., Rovelli, T., Sacchi, R., Sowa, M., Staiano, A., Toniolo, N., Torassa, E., Vaniev, V., Vanini, S., Ventura, S., Villanueva, C., Willmott, C., Zotto, P., Zumerle, G.   +67 more
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Study on the effect of surface composite strengthening on the surface integrity of 18CrNiMo7-6 carburized gear steel

Jixie qiangdu
Shot peening process is widely used in the manufacturing process of gears and other basic components, and its own limitations limit the enhancement of the surface integrity of the workpiece.
WANG Zhen, SUN Hao, CUI Yilong, LI Linyan, WANG Tao, HAN Jiaobao   +5 more
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SIMLATION OF 3D RESIDUAL STRESS FIELD OF ULTRASONIC SURFACE ROLLING BY DYNAMIC FINITE ELEMENT ANALYSIS

Jixie qiangdu, 2017
The present paper presents a numerical approach to investigate the surface layer residual stress after ultrasonic surface rolling process（USRP）,which is a severe plastic deformation process involving complex static extrusion and dynamic impact.According ...
ZHAO YunCai, WEN ChunBin
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Improving the Wear Resistance of Profiled Parts of Binding Equipment by Forming a Microrelief Using the Ultrasonic Burnishing Method

Технологія і техніка друкарства
The object of this research is the process of improving the wear resistance of profiled components of bookbinding equipment by forming a strengthening microrelief using ultrasonic rolling.
Василь Борисович Струтинський
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Improving Displacement Measurement for Evaluating Longitudinal Road Profiles [PDF]

, 2018
2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Chaychian, Sara, Hutton-Mckenzie, Angus, Onuorah, Chinedum Anthony, Siau, Johann, Sun, Yichuang   +4 more
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Integrated ultrasonic particle positioning and low excitation light fluorescence imaging [PDF]

, 2013
A compact hybrid system has been developed to position and detect fluorescent micro-particles by combining a Single Photon Avalanche Diode (SPAD) imager with an acoustic manipulator. The detector comprises a SPAD array, light-emitting diode (LED), lenses,
Al-Rawhani, M., Beeley, J., Bernassau, A.L., Cumming, D.R.S.   +3 more
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Superlubricity mechanism of diamond-like carbon with glycerol. Coupling of experimental and simulation studies [PDF]

, 2007
We report a unique tribological system that produces superlubricity under boundary lubrication conditions with extremely little wear. This system is a thin coating of hydrogen-free amorphous Diamond-Like-Carbon (denoted as ta-C) at 353 K in a ta-C/ta-C ...
De Barros Bouchet, M. I., Goddard, W., III, Kano, M., Le-Mogne, Th., Mabuchi, Y., Martin, J. Michel, Matta, C., Ye, J., Zhang, Q.   +8 more
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Deepening the cognition of ultrasonic vibration's role on plastic deformation of 2219 aluminum alloy tube during ultrasonic surface rolling process

Manufacturing Review
This work aims to enhance the comprehension of the effect of ultrasonic vibration on the plastic deformation of 2219 aluminum alloy during ultrasonic surface rolling process (USRP).
Zhang YuanQi, Zhan Mei, Fan XiaoGuang
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