Search results

Experimental tests and discussions The mechanical properties of the high strength welding structural steel are: 520MPa for yielding strength and 608MPa for tensile strength.
There are many factors affecting heating.
Fatigue properties of S06 steel in long life regime under ultrasonic frequency.
High-cycle fatigue properties of high strength steel.

LCBER was cured with polyamide-650 (PA-650) and the thermal and mechanical properties were evaluated.
It’s well-known to us that the combustion of biomass is an important factor of carbon dioxide production.
The natures of CB-based epoxy resin, such as adhesive shear strength and thermodynamic properties, were also tested.
This would be probably due to the good wetting property of LCBER to plywood.
The low molecular weight portion of LCBER-60 may affect the thermostability of cured compound, which leads to the decomposition of cured LCBER-60 at a relatively low temperature.

Addition of silver and copper to nickel–titanium alloy increases the corrosion resistance and excellent antibacterial properties.
Nickel-Titanium SMAs of improved mechanical and physical properties were machined.
The machining experiments were performed to investigate the affecting parameters on the responses.
Table 2: Input Machining Parameters and their Levels Coded Factors Actual Factors Parameters Actual levels A A1-A4 Sample type A1 A2 A3 A4 B Sc.
[11] Haydar Al-Ethari, Abdolreza Rahimi & Shahad Ali Hammood, Effects of Ag and Cu nanopowders on mechanical and physical properties of NiTi shape memory alloy, Test Engineering and Management Journal. 83 (2020) 11080-11088

The scatter is related to a multitude of random factors that exert a cumulative effect onto the material.
However, the main factors that determine strength and durability of composite materials include the degree of non-uniformity and defectiveness of a structure [5, 6].
Adding of various kinds of powdered fillers changes the properties of epoxy composites in a quality manner.
The nature of such phenomena depends greatly on the reactivity of the filler and the characteristics of surface topology, which affect significantly the properties of the material and their variation during operation.
Faber, Effect of interface properties on microcracking of iron titanate, Scripta Mater. 38 (1998) 1449-1453

The reflection coefficient of the coating depends on various factors, in particular, surface microrelief, crystallite size, and the degree of perfection of the crystal lattice.
Defects of this type have a significant impact on virtually all (including optical) properties of solids.
Wen, Optical properties of ultrathin aluminum films deposited by magnetron sputtering in visible band, Opt.
Wang, Optical and Mechanical properties of aluminum film deposited on glass substrate, Defect and diffusion forum, 297-301 (2010) 444-449
Bendavid, Optical properties and stress of ion-assisted aluminum nitride thin films, Appl.

It has difficult engineering properties, high water and toxic content.
Improper disposal of river sludge can easily cause secondary pollution affecting the life and work of the people who live around.
Categorization of River Sludge Based on the analysis of the chemical properties and physical composition the classification method and standard have been proposed.
It has the similar properties to sandy soil in silt type, composition, grain size distribution, soil and mechanical characteristics, contaminants content etc. that complies with the criteria for fill materials used in road embankment construction.
TABLE 1, DETAIL INDEX TABLE FOR DIFFERENT TYPES OF SLUDGES Type Particle diameter Mechanical properties Composition Heavy metal Extraction properties Type I(Can be used directly) Even, compact, PD<100mm: can be used for roadbed, PD<150mm: can be used for road foundation.

Literature often concludes that the lower mechanical properties of recycled concrete, compared to standard concrete, is unfavourable for the durability in aggressive environments.
Geometrical and physical properties of aggregates.
Properties of acids and formed salts.
After mixing during another 60 s, the properties of the fresh concrete were determined.
[5] Pavlu T and Boehme L (2013) Properties and tests of recycled aggregates used in concrete.

Because of the chaotic nature for the rock and minerals, the measured mechanical value measuring individual briquettes may be away from the average,too big or too small.In statistics, they are always thinked abnormal values, so the handling method is often that the measured mechanical value is dismissed as irrelevant in the past.
However, from an experimental viewpoint, a more deviation value is not abnormal, which is the mutation individual factors random motion generated in chaotic system mutations and the inevitable result of internal chaos factor contradiction movement.
Of course,it should be ruled out the fault of the deviation caused by experimental facilities and anthropic factors.As long as the test is normal , a larger or smaller deviation results should also be taken into account, because in the mechanical crushing and grinding process, the strength of the individual rock and minerals processing will also be too high or too low.
The Determination and Analysis of the Rationality of Critical Force for Coal Gangue Crushing Through the above conclusion, we research on the laws of the broken for coal gangue selective fragmentized separation for anthracite coal mine and Xintai mine in Taixi .To collect the coal and waste rock sample, the main mechanical properties of which were determined in the laboratory.
Experimental Arrangements In WED - 50 type pressure testing machine and to design of the coal gangue mixed material fragmentized separation on the experiment, the acquisition of more than 500 piece of irregular coal, gangue block the static crushing experiments and dynamic crushing experiment [5-6]. testing crucially coal , waste rock size, fractures and loading methods affects on the crushing force .

The effect of sol concentration on the properties of the thin films is discussed.
Unfortunately, there are numerous factors that affect the properties of sol-gel based ZnO films.
All these factors have a distinct effect on the films microstructure.
The structural properties were characterised using an X-ray diffractometer (Bruker AXS D8 Advance with CuKα radiation) for surface morphology and crystallinity properties, respectively.
Hirayama, H, Sakata, Preparation and electrical properties of undoped zinc oxide films by CVD, Appl.

The Research on Automatic Liquor Blending Systems Based on Wavelet Neural Networks Lianjun Hu 1, a, Xiaohui Zeng 2,b, Hong Song 2, c and Qian Li2, d 1 School of Mechanical Engineering, Sichuan University of Science & Engineering, Zigong, China 2 School of Automation and Electronic Information Engineering, Sichuan University of Science & Engineering, Zigong, China ahlj28288@sina.com, b xh-z@sohu.com , csh8887878@sina.com,d weiyiwoniuke@163.com Keywords: wavelet neural networks; automatic blending; MATLAB.
Processes for automatic blending of liquors Fig. 1 Processes of the automatic blending Factors affecting qualities of liquors during production processes, which may be environmental, microbiological and chemical, physical, etc, are complicated and hard to be control precisely.
Fig. 4 Network/data manager window Summary The wavelet transformation with time-frequency localization properties and the neural network which has advantages of ability to develop, fault-tolerance, self-adaptability, self-learning, and robustness are introduced into the automatic liquor blending system.