Search results

The mechanical properties of interfacial transitional zone between geopolymer and stone were affected by the oxide component of the geopolymer and the type of the raw materials.
Major factors that affect the mechanical properties of the interfacial transitional zone have been researched systematically.
Hence the content of geopolymer precursor was a key factor to the formation process of geopolymer structure and the mechanical property of the interfacial transitional zone between geopolymer and aggregates.
Lyon: Mechanical Properties and Fire Response of Geopolymer Structural Composites[J].
Martı´nez-Ramı´rez: Alkali Activation of Metakaolins-Parameters Affecting Mechanical, Structural and Microstructural Properties[J].

This instability of properties may be due to numerous random factors, including first of all the fluctuations of alloying elements and impurities within standard-specified limits.
The structure of semi-finished products is another factor that may affect the stability of properties [1-3, 6, 11, 12, 15].
The variation of properties due to various factors was evaluated by the ratio: γ=R2·100%, where R is the coefficient of correlation.
Considerable data scatter in the diagrams is due to neglect of other factors in the analysis.
Scatter diagram to show how chemical composition, structure type and score affect the mechanical properties of VT6 bars after annealed in different ways (bold numbers indicate significant values of the correlation coefficient) Table 3.

Microstructure and Mechanical Properties of GMAW Welded Joints Er-Containing Aluminum Alloy Guo Haozhen1,a*, Cui Li1,b, Huang Hui1, Guo Xiao1, He Dingyong1 1The College of materials science and Engineering Beijing University of Technology, 100124, China a*649225523@qq.com, bcuili@bjut.edu.cn Keywords: Er-containing aluminum alloy; Gas metal arc welding; Mechanical properties Abstract.
The addition of Sc element to the aluminum-magnesium alloy can significantly improve its mechanical properties [3].
This addition can improve the mechanical properties of the aluminum-magnesium alloy [7-8].
Tensile properties of welded joints.
Analysis of Mechanical Properties of GMAW Welded Joints.

Mechanical properties were determined at room temperature on samples cut from the base and weld metal.
To determine the mechanical properties of welded joints, static tensile and impact bending tests were performed.
Mechanical Properties The study of mechanical properties of welded joints (Table 2) of low-cost titanium alloy Ti-2.8Al-5.1Mo-4.9Fe obtained by EBW, allowed to conclude that the lowest values of strength are obtained in sample with the pre-heating to 400°C.
Mechanical properties and microstructures of low cost β titanium alloys for healthcare applications.
Enhancing the mechanical properties of electron beam welded TC17 titanium alloy joint by post-weld heat treatment.

The physical-mechanical indicators and analysis of the chemical composition of the material were determined, analyzes were carried out to improve the technological and operational properties, the factors influencing the quality and the optimal processing conditions were determined.
Summary The main metallurgical properties of 32CrMoV12-10 brand steel were analyzed.
Based on the obtained data, the external and internal factors affecting the honing operation were determined, and the selection of optimal processing conditions was determined.
After the application of the honing operation, the regularity of the formation of the surface quality, as well as the factors affecting the accuracy of the geometric shape and size of the surface were determined.
A study on the functional properties of a honed surface.

Austempered vermicular-graphite iron seems to be a perspective material because of its promising mechanical properties.
These properties are strongly affected by parameters of applied heat treatment.
The difference in the length of the austenitizing times that affects the saturation of austenite by carbon from graphite particles (here 30 and 90 minutes) had not any influence (or not significant) on mechanical properties or structure.
Table 2 Properties of AVGI.
The resulting mechanical properties are strongly affected by the heat treatment parameters.

This paper aims to optimize three mechanical properties such as strength, elongation, and modulus of elasticity.
However, PLA ensures good processing performance and acceptable mechanical properties through FDM production [7].
Also, most of these researches only consider one or a few response factors at a time.
An ANOVA analysis was also utilized to identify significant contributors in each mechanical property intended to be optimized. and these data were further processed to develop a topology diagram with the significant contributors as main factors.
Kafsghar et al. conducted a four (4) parameter optimization of mechanical properties [13].

This paper presents a discussion of factors affecting the performance of fly ash based geopolymer, and some recent innovations on fly ash based geopolymer.
The high-calcium fly ashes could be used to produce porous fly ash based geopolymer composites with satisfactory mechanical properties.
Factors Affecting the Performance of Fly Ash Based Geopolymer Raw Materials in Fly Ash Based Geopolymer.
The mix proportion in an activation solution is one of the critical factors determining the properties of the product.
It proved that the coating thickness of carbon fibres could influence the mechanical properties and fracture behaviour of geopolymer [31].

A two-factor design was then applied to determine the two factors that influenced the PA6 fatigue displacement the most, with analysis of variance being used to determine how the factors affected the fatigue property.
Analysis of variance (ANOVA) was used to determine how the factors affected the fatigue.
Zoalfakarb, Mechanical properties of glass fiber reinforced polyester composites, Int.
Özdemir, Experimental investigation of the effect of glass fibres on the mechanical properties of polypropylene (PP) and polyamide 6 (PA6) plastics, Mater.
Quaiyyum, Mechanical properties of polypropylene composites: A review, J.

For example, the composition, pH value and dissolved oxygen of culture medium affect the physiological and biochemical environment; gas-liquid interface and liquid-solid interface of culture media affect the physical and materialized environment; scattered and mixed conditions of culture system affect the hydro-mechanical environment.
Representative physical factors and their applications in steroid microbial conversion system are briefly reviewed herein.
Application of physical factors in steroid microbial conversion Steroid microbial conversion system is a complex but controllable system with multiple factors involved.
Magnetized water possesses unique physical and chemical properties that can be very different from ordinary water, including improving substance dissolving power, adjusting membrane permeability and other functions.
Enhancement of steroid microbial conversion via introduction of chemical and physical factors into reaction system.