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Some properties for SCM and SCr steels cover data for a carbon content from 0.2% to 0.8% relevant to simulating carburized- or carbonitrided-quenching processes.
Factors affecting the quality of heat-treated machine parts were analyzed, and data mining was processed by evaluating the cause-and-effect-relationships to optimize the suitable conditions.
Data mining can extract important manufacturing factors controlling HT quality by classifying their contributions to the quality from this DB.
An example application of the data mining to gas-carburized hypoid ring gears installed in automotive final drive components shows that the most dominant factors for profile deviation are quenching temperature, setting position on the fixture, and oil temperature.
To optimize these extracted factors, the calculation is made using the simulation software, several DBs, and annealing method by, for example, commercial optimizing software, iSight.

There is no erosion prediction model can be suitable for all conditions well for that the erosion rate of the material is influenced by material itself, caustic fluid, the environment, and many other factors [3].
Experimental materials and methods Experimental material is taken from P110 tubing in Changqing gas field, and its chemical compositions are shown intable1, mechanical properties shown in table2.
Mechanical properties of P110 steel in experiments Tensile strength （MPa） Yield strength （MPa） Elongation（%） Hardness ≥862 758-965 ≥11 ≤241HB Experimental device is self-made erosion test device.
Value range of n in the formula depends on the application situation, the material and abrasive properties.
Sands and chlorine ions influence on erosion and corrosion properties of P110 tubing [J].Chemical machinery, 2012, 39(4):447-448

The basic quality of a rock mass is an inherent fundamental property that affects its stability in engineering projects.
It depends on internal factors of the rock structure, of which rock mass integrity is a controlling factor.
The formation of coral reef rock mass is affected by multiple factors.
It is a generalized representation of the rock mass structures, and is determined by many factors including the shearing of structural planes, the sizes of structural bodies, and the cementation between bodies.
China’s engineering geologists have always used properties of joints and fissures (which directly affect rock mass integrity) to describe the engineering characteristics of rock mass, especially the distances between joints and fissures.

As we known, carbonation and chloride ingress may make the coating disabled and lead to corrosion of steel bars, so the bond performance was affected and the service life of concrete structures depressed [8,9].
The results implied the bond properties between the coating and the steel bar may be affected at a certain extent by the action of carbonation and chloride ingress, while the failure modes of specimens had not change whether the coating subjected to environmental action or not.
Yongsheng, The effective factors of bond and anchorage performances of epoxy coated reinforcement(in Chinese),Industrial Construction,06(1999)45
Renchang, Experiment of anchorage properties for epoxy resin coated undeformed bars(in Chinese), Journal of Shandong Institute of Building Materials, 1(1999)56
Shanshan, The Influence Factors and the Mechanism of the Carbonation of Hardened Cement Pastes (in chinese), Chongqin University , 2014

While we understand very well the quasi-static properties of fiber reinforced concrete (FRC), its impact and blast properties largely remain poorly understood.
For a better understanding of such properties, one needs to scrutinize and analyze the responses at the fiber-matrix interface level, at the level of micro-mechanical crack growth and finally at the level of the engineering properties useful in design.
R-Curves at Different Slip-Rates [15] The existing models apply only to straight undeformed fibers and assume that the interface properties including fracture toughness are not affected by the applied strain-rate.
In compression, for example, these equations predict the dynamic increase factors (DIF) for various mechanical properties such as compressive strength (DIF-fc), elastic modulus (DIF-E), and critical strain (DIF-ec1) [Eqn. 9-11] and similar expressions are available for tension.
Shear properties of FRC have also been studied [41] and no dynamic increase factor was noted.

The critical stress intensity factors for delayed hydride cracking and the crack growth velocities of Zr-3.5Sn-0.8Nb-0.8Mo alloy with different heat treatments were evaluated and compared with Zr-2.5Nb.
The critical stress intensity factor of DHC represents the materials' resistance to DHC.
The results in Fig. 2 showed that crack growth was not affected by the previous loading.
Sattari, Microstructural characterization and mechanical properties of excel alloy pressure tube material. , Queen's University
Threshold stress intensity factor, KIH for delayed hydride cracking of a Zr-2.5Nb tube with loading mode. 462 : 367–375

Several tests have been performed to check the modifications in glass ceramic mechanical properties.
Its properties are shown in table 1.
A heat affected zone, where the microstructure, composition and thermal-mechanical properties could be modified, is originated [5, 6].
To assess the variations in the mechanical properties, the glass panel was subjected to Vickers microhardness, toughness by indentation method and bending strength tests [8-10].
Modifications of mechanical properties in the machined zone and in adjacent areas were studied finding no substantial variations compared to the substrate without processing.

Introduction PMM is widely applied in the industry because of its excellent properties, such as high hardness, high toughness and high strength.
Due to these excellent properties, PMM is hard to process by the traditional cutting.
Therefore, only if the materials with electric conduction, they all can be manufactured by EDM no matter the mechanical properties of these materials, so it is appropriate using EDM to finish the PMM.
For understanding the re-sticky phenomenon of PMM in EDM, the content and the melting point of the material were two main factors to decide what kinds of PMM were utilized.
Some physical properties of PMM are displayed in the table 1.

To meet the engineering applications, mechanical and physical properties of materials especially steels and their alloys are improved through thermal treatments.
Several patterns of thermal treatment sequences were executed with an aim to modify the material properties.
Conversely, to inspect and restore fatigue broken bridges, it is fundamental to access the chemical and mechanical properties of the materials of broken parts or hinges.
In future, experimental exploration can be conducted for various heat treatment cycles to establish valid fracture conditions of EN-31 steel and other engineering materials too, exhibiting challenging mechanical properties.
Zhou: Microstructural Evolution, Behavior of Precipitates, and Mechanical Properties of Powder Metallurgical High-Speed Steel S390 During Tempering.

A cylindrical PMLSM has no crosswise breaking so its magnetic field evenly distributes along the axial direction, but the starting thrust was easily affected by voltage fluctuation.
Fig. 2 Meshing process of the radially magnetized cylindrical PMLSM The permanent magnets (PMs) of a PMLSM are the excitation source and can be set by the coercivity in the PM material properties.
Mechanical & Electrical Engineering Vol. 27 (2) (2010), p. 86, In Chinese
Mechanical & Electrical Engineering Vol. 21 (11) (2004), p. 35, In Chinese
Ye: Technology Manual of Linear Motor (Mechanical Engineering Press, Beijing, China 2003), in Chinese.