Results 21 to 30 of about 112,327 (261)

Design and manufacture of testing measurement and evaluation device for dynamic property of metallic interfaces

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Metallic interfaces in mechanical structures cause dynamic damping property. It is very effective to apply this good damping property to engine power plant in order to reduce noise and vibration, however, it is difficult to use dynamic damping property ...
Kenichi YAMASHITA   +2 more
doaj   +1 more source

Mechanical property evaluation of apricot fruits under quasi-static and dynamic loading [PDF]

open access: yesJournal of Agricultural Machinery, 2016
Introduction: Some forces and impacts that occur during transporting and handling can reduce the apricot quality. Bruise damage is a major cause of fruit quality loss.
E Ahmadi, H Barikloo
doaj   +1 more source

Investigation on Properties of Cement Bitumen Emulsion Mortars (CBEM) in Consideration of Emulsifier Types

open access: yesAdvances in Materials Science and Engineering, 2020
In order to investigate the influences of emulsifier types on properties of cement bitumen emulsion mortars (CBEM), anionic and cationic emulsifiers were used to prepare CBEM in this work.
Zhuoran Liu, Jinyang Huo, Zhenjun Wang
doaj   +1 more source

Coupled Static-Dynamic Tensile Mechanical Properties and Energy Dissipation Characteristic of Limestone Specimen in SHPB Tests

open access: yesAdvances in Civil Engineering, 2020
To investigate the dynamic splitting tensile mechanical property of limestone under coupled static and dynamic state, the dynamic split tensile tests of limestone under one-dimensional coupled static and dynamic load with different strain rates were ...
Qi Ping   +3 more
doaj   +1 more source

Preparation and properties of butadiene-acrylonitrile-butylacrylate terpolymer

open access: yesHecheng xiangjiao gongye, 2023
Butadiene-acrylonitrile-butylacrylate terpolymer (BNBR) was synthesized by emulsion polymerization method. The effects of amount of initiator, emulsifier and regulator of relative molecular weight on the emulsion polymerization rate were investigated ...
SHI Gong-chang, ZHONG Qi-lin, WANG Yong-feng, YANG Hai-long, ZHAO Zhi-chao
doaj   +1 more source

"Effect of nitrogen content on properties of natural rubber coagulated by papain"

open access: yesHecheng xiangjiao gongye, 2023
Natural rubber with different nitrogen content (NR-P) was prepared by coagulation from fresh hevea latex with papain as granulation agent. The physical and chemical properties, curing cha-racteristics, physical and mechanical properties, compression ...
ZHANG Gui-mei, JIANG Shi-kuan, YAN Li, ZHU Ao, ZOU Jian-yun
doaj   +1 more source

Numerical Simulation Analysis of the Dynamic Mechanical Property of Concrete Based on 3D Meso-mechanical Model [PDF]

open access: yesFracture and Structural Integrity, 2018
The dynamic mechanical property of concrete is very complex and is one of the hot spots in academic research. In this paper, concrete is considered as a three-phase composite composed of cement mortar matrix, coarse aggregate and interfacial transition ...
Fengyan Qin   +3 more
doaj   +3 more sources

A Novel Design to Eliminate Lüders Band in Medium-Mn Steel and Its Microstructure-Property Relationship

open access: yesCrystals, 2023
In the current work, we design a novel medium Mn steel with a superior mechanical property and no Lüders band. For industrial applications, a “low Mn addition” chemical composition and two kinds of different annealing processes with various initial ...
Rendong Liu   +6 more
doaj   +1 more source

Properties of naphthenic oil-plasticized natural rubber/silica composites prepared by wet mixing technology

open access: yesHecheng xiangjiao gongye, 2023
The preferred emulsifier was used to emulsify the plasticizer naphthenic oil (NAP), and uniform and stable NAP emulsion was prepared. The NAP-plasticized natural rubber (NR)/silica (SiO2) (NAP/NR/SiO2) composite was prepared using the resulting NAP ...
"CUI Kai-wen1, ZHANG Jun-yi1, JIANG Sheng-nan1, XUAN Lu-jia1, LU Na1, GUI Hong-xing2, WANG Hong-zhen1,2"
doaj   +1 more source

Experimental research on dynamic mechanics of early age concrete

open access: yes矿业科学学报, 2020
The single and double impact experiments were carried out on C20 and C40 concrete at five different ages using a 75 mm SHPB experimental device.The mechanical properties of early age concrete under impact loading were systematically studied from two ...
Li Shenglin   +3 more
doaj   +1 more source

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