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The mechanical properties of each hardfacing layer are tested and the microstructure is analyzed.
Four factors are carbon (A), chromium (B), Erbium (C) and cerium (D).
Experimental results and analysis Mechanical properties of hardfacing layer.
Microstructure and properties of hardfacing layer.
Because of the lack of consideration for the rare earth elements` transition in this experiment, there are less carbides than expected, affecting the experimental results.

The chemical composition and mechanical properties are shown in Table 1 and 2, respectively.
Table 2 Mechanical properties of test material Table 1 Chemical composition (mass%) Material C Si Mn P S S25C 0.3 0.2 0.5 0.008 0.02 Material sｙ(MPa) sB(MPa) d(%) f(%) S25C 300 497 34.5 62 Preparation of pre-cracked specimens.
Mechanical properties shown in table 2 are the properties after stress relief. 68 t = 7 2 15 A 120 60° r 2 A Fig.2 Preparation of short pre-crack at notch Detail of notch Fig.1 Test specimen (Dimensions are in mm ) Fatigue crack propagation test.
The stress intensity factor range was calculated using stress range.
Srawley, Stress-Intensity Factors for Single-Edge-Notch Specimens in Bending or Combined Bending and Tension by Boundary Collocation of a Stress Function, NASA TN D-2603 (1965)

Creep Properties of P92 Pipe Weld after Annealing at 600 and 650˚C Karol Sówka1,a*, Hanna Purzyńska1,b, Adam Zieliński1,c, Marek Sroka2,d, Krzysztof Kwieciński1,e 1Lukasiewicz Research Network – Upper Silesian Institute of Technology, Gliwice, 44-100, Poland 2Silesian University of Technology, Faculty of Mechanical Engineering, Department of Engineering Materials and Biomaterials, Poland, Gliwice, 44-100, Poland.
This advanced creep-resistant steel demonstrates superior mechanical properties, including exceptional high-temperature strength retention, oxidation resistance, and creep rupture strength under prolonged thermal exposure.
These joints exhibit enhanced susceptibility to microstructural degradation and mechanical properties deterioration, particularly within the heat-affected zone (HAZ), during extended high-temperature operation.
Annealing resulted in significant creep rate acceleration compared to initial state conditions: at 600°C annealing temperature, creep rates increased by factors of 2.57 and 2.63 after 3,000 and 10,000 hours respectively.
For joints annealed at 650°C, creep rates increased by factors of 4.8 and 25.7 after 3,000 and 10,000 hours respectively.

Vinyl ester resin (VER) has excellent corrosion resistance, mechanical properties, and lower viscosity before curing.
The the electrical conductivity properties were tested.
The factors of EG content, the soaking time, rabbling intensity on the properties of the composite were investigated.
These factors on the mechanical property and other effecting factors will be discussed in the following articles.
Yin, Research on Properties of Poly (phenylene sulfide)/Graphite Composite Bipolar Plate, J.

Introduction Heat transfer in saturated porous medium concerns three factors which are thermal, hydraulic and mechanical.
Table1 Material Properties Parameters Values Units Parameters Values Units H 10 m n 0.4 --- T0 10 ˚C μ 0.3 --- E 10 MPa cs 1.2 J∙ (g∙˚C ) -1 αs 2×10-4 ˚C -1 cw 4.2 J∙ (g∙˚C ) -1 αw 4×10-4 ˚C -1 ρs 2.6×106 g∙ m-3 According to the Table.1, some coefficients such as C, αu , Es, β,A can be computed.
It shows that considering thermo-mechanical coupling hardly affected the excess pore- water pressure.
It also showed that thermo-mechanical coupling hardly affected the temperature increment.
(2) Many factors can affect the behaviour of the thermal consolidation for saturated soil.

The influence of sintering temperature on the mechanical properties of ceramics, especially cracking resistance, was studied.
The effect of the particle size of powders [10], porosity [11], and temperature [12] on the mechanical properties was studied.
Running-in is one of the important indicators of the tribological properties of materials, during which optimization of the micro geometry and physico-mechanical properties of the surface layers of the contacting materials occurs.
Mechanical properties of ceramic composition ZrO2-3 mol.% Y2O3.
Tribological parameters are influenced by three groups of factors: values that determine the level of external influence on the tribosystem: p - contact pressure, sliding speed, temperature; physical and mechanical properties of materials, of which the most important are the quantities that determine the properties of the surface layers of the contacting materials: elastic modulus E, hardness H, and for brittle materials such as ceramics - stress intensity factor K1c; micro geometry of friction surfaces.

Introduction The correct understanding of the dynamic mechanical behavior of different classification soil under the various influence factors is of great significance.
The literature [14] indicates that d and ep are approximately equal in value and their changing laws are quite the same with the change of various affecting factors.
How do frequency and confining pressure affect on k,a, d and S is different.
As figure 2 and figure 3 shows, the dynamic mechanical behavior of the frozen clay is affected greatly by the frequency and it is affected little by the confining pressure.
GB50269/T—97 Foundation dynamic properties test specification[S].

Effect of Infill Percentage and Pattern Variations on the Compressive Strength and Material Properties of 3D Printed HDPE Materials M.S.M.
Introduction The mechanical properties of 3D printed materials, such as High-Density Polyethylene (HDPE), are significantly influenced by infill parameters, including infill percentage and pattern variations.
This response provides a comprehensive analysis of how infill percentage and pattern variations affect the compressive strength and material properties of 3D printed HDPE materials, supported by insights from relevant research studies.
Effect of infill parameters on material sustainability and mechanical properties in fused deposition modelling process: a case study. https://doi.org/10.1007/S40964-021-00184-4
MEX 3D Printed HDPE/TiO2 Nanocomposites Physical and Mechanical Properties Investigation. 

Critical effect factors are determined through the analysis on mechanical property of temporary load-carrying system, such as shore stiffness, foundation stiffness and diurnal temperature difference.
It is necessary to research mechanical property of temporary load-carrying system.
Material Properties.
Analysis of Effect Factors to Analog Calculation Parameters of calculation model affect analysis results of temporary load-carrying system.
Then mechanical property of temporary load-carrying system is well studied

The eight control factors were designed in an L18 factorial orthogonal array experiment, and the effects of the control parameters on the surface properties were critically evaluated in the experiments.
Statistical Variation Estimation affecting Coating Characteristics Table 3 Selecting significantly factors from analysis of variance Symbol Sum of Squares Degree of Freedom Mean square F-test Contribution percent A 0.089 1.0 0.089 3.301 1.44 B 0.243 2.0 0.121 4.504 3.93 C 0.602 2.0 0.301 11.167 9.74 D 1.213 2.0 0.607 22.489 19.62 E 0.324 2.0 0.162 6.004 5.24 F 1.405 2.0 0.702 26.039 22.72 G 0.714 2.0 0.357 13.228 11.54 H 1.540 2.0 0.770 28.550 24.91 Error 0.054 2.0 0.027 1.000 0.87 Total 6.185 17.0 100.00 The analysis of variance explores the control factors that significantly affect the quality characteristics of integrated properties.
It can be found that travel speed, powder feeder rate, carrier gas and primary gas accounting for nearly the 78.79% of total variance affecting the integrated properties.
The experimental results identify that travel speed, powder feeder rate, carrier gas and primary gas are the main parameters among the eight control factors that significantly influence the surface properties in plasma sprayed coatings, in which these factors account for nearly 78.79％the experimental variation.
By applying significant factors from analysis of variance in the grey relational analysis, the surface properties could be effectively improved in this study. 3.