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Corrosion behavior and formation of the passive film in 17-4 PH SS, produced via SLM, are influenced by a combination of factors, including composition, microstructure, and cathode reactions [6,7].
To fill this research gap, this study examines how variations in scanning speed, and hatch distance affect the microstructure, mechanical properties, and corrosion behavior of 17-4 PH SS parts produced through SLM.
The EIS results, depicted in Fig. 3d, were used to quantitatively assess the electrochemical properties by fitting into an equivalent circuit. 
The investigation systematically analyzed the effects of scanning speed (700, 750, 800 mm/sec) and hatch distance (0.08, 0.1, 0.12 mm) on both microstructural features and corrosion properties.
The solution treatment effectively homogenizes the microstructure, reducing visible defects and enhancing mechanical properties. 2.

These coatings can significantly enhance properties of structural parts such as thermal and wear resistance or fatigue life.
The fatigue properties are influenced by the nature of the deposited coating (modulus, microstructure, porosity etc.) and by residual stresses introduced to the substrate during spraying and associated preparation steps such as grit-blasting.
Prior to testing, surface of metallographic cut was electro-polished in 5 % perchloric acid solution in ethanol at 40 V to avoid the surface layer affected by mechanical grinding and polishing.
The BS signal represents electron backscattering pattern (EBSP) quality factor derived from the Hough transform that describes the maximum intensity gradient at the margins of the Kikuchi bands in an EBSP.
In comparison with nanoindentation, this technique has higher spatial resolution (due to the use of the electron beam) but it is not directly related to the material (mechanical) properties.

RCC warehousing transportation is always one of the keys factors confined rapid concrete construction.
By analyzing several transport mechanical properties commonly used in the RCC dam construction, this paper cites various possible combination plans of warehousing transportation machines in practical construction, chooses reasonable combination plan playing an important role in the construction schedule, project quality and cost control of RCC dam construction.
Introduction RCC dam is favored by the dam engineering industry with a strong vitality due to its characteristics of rapid construction, short construction period, investment saving and high degree of mechanical.
In a series of construction procedures, RCC warehousing transportation is always one of the keys factors confined rapid concrete construction, and is impacted by dam site of the bank slope terrain, geological conditions, hub layout characteristics, high dam and the construction cost, etc.
Utmost to ensure work continuously without affecting the casting rolling and other processes.

The physical characteristics of the use sands are presented in Table 1; future analysis is considered, in order to obtain a clear view of all parameters and factors that could affect the mortars’ properties, fresh or hardened state.
Physical properties of aggregates used for mortar mix design Physical properties Natural Sand 0/4 (S) Spent garnet I (SG I) Spent garnet II (SG II) Bulk density, (kg/m3) 1550 2000 2120 Dry net density, (kg/m3) - 2690 - Water absorption (WA, %) - 2.4 - Fineness modulus 6.86 3.74 3.88 Table 2.
Hardened state densities of the mixes Mechanical properties evaluation The compressive strengths, as critical mechanical characteristic for concrete and mortar evaluation, was performed by using the EN 196-1 [19] and EN 1015-11 [21] standardized procedures, at several relevant ages: early age, namely 7 days, 14 days and 28 days.
No indication of future incompatibilities, affecting compression as critical parameter for material evaluation, is expected.
Mechanical properties of self-compacting geopolymer concrete containing spent garnet as replacement for fine aggregate.

The influence of rare earth Y addition and ageing treatment on the properties and precipitation morphology of Cu-Cr-Ti alloy was investigated.
Batawi et al [3] found that the addition of Zr, Mg and Si can affect the morphology of Cr precipitation.
Although it is reported that rare earth elements can improve the properties of copper alloys [6], their mechanisms are still obscure.
The solute atom is the key factor to affect electron transmission, thus influencing the electrical conductivity of copper alloys.
The integral effect of the above factors results in a slight decrease in the electrical conductivity for Cu-0.3Cr-0.2Ti-0.1Y alloy.

The main effects affecting dynamic growth and coalescence of voids were presented including the geometry (void size, shape, orientation, spacing), the material properties (dynamic constitutive model) and the stress state (impact tension condition).
The main effects affecting dynamic growth and coalescence of voids were considered including the geometrical configuration of void cluster, the material properties (dynamic constitutive model) and the stress state (impact tension condition).
However, void coalescence will occur when the intervoid ligament undergoes a localized mechanical instability that rapidly thins it out.
Fig. 1 Schematic diagram of a tensile split Hopkinson bar The geometrical configuration of void cluster (size, shape, orientation, spacing), the properties of material between voids (dynamic constitutive model) and the stress state (impact tension condition) are the main parameters affecting dynamic evolution of voids.
dynamic growth and coalescence of void were presented including the geometry (void size, shape, orientation, spacing), the material properties (dynamic constitutive model) and the stress state (impact tension condition).

The mechanical property index of m172 piston aluminum alloy material is that the tensile strength of piston skirt at 25 ℃ is 280mpa and the elongation is 1%.
The area defect of piston ring affects the stress and damage tolerance of piston.
Wu, Effects of annealing temperature on the mechanical properties and sensitization of 5083-H116 aluminum alloy, Proc.
Case, Mechanical Properties of 5000 Series Aluminum Alloys Following Fire Exposure, TMS 2016 145th Annual Meeting& Exhibition, Springer, 2016, pp. 657–664
Tong, Effect of annealing temperature on microstructure, mechanical properties and corrosion behavior of Al-Mg-Mn-Sc-Zr alloy, Appl.

It has been well known that APBs between dissociated superpartial dislocations are responsible for characteristic mechanical properties such as planar slip at ambient temperature, anomalous temperature dependence of yield stress and abnormal strain-rate dependence of flow stress [1].
Furthermore, recently, it is being revealed that thermal APBs, i.e. antiphase domain boundaries (APDBs) introduced during the course of ordering transformation, significantly affect the mechanical properties of some intermetallic compounds.
APDBs in Fe3Al have been known to affect the tensile properties [4].
Because those properties are sensitive to the density of APDBs and APD size, it is important to control APD size appropriately for optimization of mechanical properties.
Accordingly, in the present study, we evaluated the contributions of those factors on the migration of D03-APB in the Al-rich and the stoichiometric Fe3Al.

Uing DSC technology for water content and Thermal properties analysis of Carassius organs Peng Zeng 1, a, Tianji Chen 1,b Jiang Shen 2,c 1 College of food science & techonology, Shanghai Ocean University, Shanghai, China 2 School of Mechanical Engineering Tianjin University of Commerce, Tianjin, China azengzishani@163.com, btjchen@shou.edu.cn, cshenjiang@tjcu.edu.cn Keywords: Carassius; organs; specific heat capacity; freeze-able wate; water content, differential scanning calorimeter.
Thermal properties of Brain, gill, hepatopancreas, muscle and blood of Carassius living in 8°C were investigated by differential scanning calorimeter.
Moreover,There are many factors can affect fish freeze, like variety, season, living area and foodstuff.
Acknowledgements This work was financially supported by Key Laboratory of Refrigeration of School of Mechanical Engineering Tianjin University of Commerce.

The main factors are suggested, which influence the effects of the insulating joint, being base on the mechanical analysis of using computer software, and the ranges of concentrated stress are pointed out.
The parameters of the integral insulating joints discussed in this paper are shown in Table 1. 2.2 The function and structure of the integral insulating joints 1- Active end of steel pipe; 2- Locking wire loop; 3-Insulation filler; 4- Steel sleeve; 5- Fixed end steel; 6-Insulation seals Fig.1 Cross-section of integral insulating joint The insulating joint has the same sealing performance, strength properties and insulation performance requirements as buried steel pipeline pipe joints.
The pipeline will certainly suffer multiple stress effect in its running process, but does not affect to separate them for analysis.
According to the properties of material, the material strength that may lead to damage is analyzed.
Because the material at the threaded connection is plastic, not only the tensile stress but also tensional shear stress could have affected on threaded connection