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Online since: July 2015
Authors: A.S. Guimarães, João M.P.Q. Delgado
The selection of treatment methods for rising damp should be supported by an exhaustive evaluation and study of the conditioning factors to achieve a successful outcome of the treatment.
Defining the factors which may affect the success of the application are crucial, these include: material constitution, characteristics and thickness of affected building elements, the initial water content, the interior conditions of the building and its surroundings as well as the respective location.
Due to the difficulty and variability of factors, some unpredictability exists in the results.
Fields like description and characteristics, installation process, representation, properties, application and limitations were selected to best characterize the treatment.
The differences are mainly the lack of field properties in the systems, not the size.
Defining the factors which may affect the success of the application are crucial, these include: material constitution, characteristics and thickness of affected building elements, the initial water content, the interior conditions of the building and its surroundings as well as the respective location.
Due to the difficulty and variability of factors, some unpredictability exists in the results.
Fields like description and characteristics, installation process, representation, properties, application and limitations were selected to best characterize the treatment.
The differences are mainly the lack of field properties in the systems, not the size.
Online since: May 2020
Authors: D.O. Pustovoytov, Dmitriy Konstantinov, Boris Zaritskiy
Cementite lamellae orientation in relation to the drawing axis, interlamellar spacing and shape of cementite inclusions were key factors.
Estimated values of the wire mechanical properties were compared with a real experiment.
The mechanical properties of the initial billet after patenting are given in Table 2.
Jiang, Microstructure and mechanical properties of cold-drawn pearlitic wires affect by inherited texture, Materials and Design, 79 (2015) 60-67
Matos, Microstructure and Mechanical Properties in Progressively Drawn Pearlitic Steel, Materials Transactions, 55 (2014) 93-98
Estimated values of the wire mechanical properties were compared with a real experiment.
The mechanical properties of the initial billet after patenting are given in Table 2.
Jiang, Microstructure and mechanical properties of cold-drawn pearlitic wires affect by inherited texture, Materials and Design, 79 (2015) 60-67
Matos, Microstructure and Mechanical Properties in Progressively Drawn Pearlitic Steel, Materials Transactions, 55 (2014) 93-98
Online since: August 2014
Authors: Jin Hua Liu, Liang Yu Liu, Hai Dong
Quality Management and Control of Mold Manufacturing Products
Based on SPC
Hai Dong 1, a, Liangyu Liu1, band Jinhua Liu1,c
1School of Mechanical Engineering, Shenyang University, Shenyang, P.R.
First of all, we have to understand two concepts of the manufacturing process, one is a state of statistical control, the other is a state of statistical control, a state of statistical control and manufacturing process is only affected by random factors, the influence of process factors.
To judge from the distribution characteristics of the process is in control or in the state out of control, and if it is out of control, then find out the factors affecting its system, through the process fluctuation the statistical regularity of elimination of the influence of system factors, make the process run in a controlled state.
While eliminate the system factors in the process, need to process characteristics with real-time tracking and found the factors influencing the process of the system at any time, eliminate in a timely manner so that the process has been under control.
According to the properties of quality control chart generated data points arrangement condition, and can analyze the process quality is stable, if the data point beyond the upper and lower control limit or flawed arrangement, the judging process quality abnormal variations, the can production measures, discover and eliminate the abnormal resume production after the reason, so that we can maximize the elimination process on the impact on the next working procedure, prevent waste.
First of all, we have to understand two concepts of the manufacturing process, one is a state of statistical control, the other is a state of statistical control, a state of statistical control and manufacturing process is only affected by random factors, the influence of process factors.
To judge from the distribution characteristics of the process is in control or in the state out of control, and if it is out of control, then find out the factors affecting its system, through the process fluctuation the statistical regularity of elimination of the influence of system factors, make the process run in a controlled state.
While eliminate the system factors in the process, need to process characteristics with real-time tracking and found the factors influencing the process of the system at any time, eliminate in a timely manner so that the process has been under control.
According to the properties of quality control chart generated data points arrangement condition, and can analyze the process quality is stable, if the data point beyond the upper and lower control limit or flawed arrangement, the judging process quality abnormal variations, the can production measures, discover and eliminate the abnormal resume production after the reason, so that we can maximize the elimination process on the impact on the next working procedure, prevent waste.
Online since: June 2019
Authors: Muhammad Farid Shaari, Nurul Zakiah Zamri Tan, Noraini Marsi, Musli Nizam Bin Yahya, Azrin Hani Abdul Rashid, Siti Nor Hawanis Husain, Nur Aiman Abdul Razak, Salwa Mahmood, Harris Mubashir Mohamad Isa
The properties include excellent mechanical properties and good permeability.
Table 1 shows the physical properties of all the Kenaf nonwovens samples.
Overall, there are two factors that influence the result comparison of this research.
Mukhopadyay, Bulk and Physical Properties of Needle-Punched Nonwoven Fabrics, Indian J.
Factors Influencing Acoustic Performance of Sound Absorptive Materials, Aust.
Table 1 shows the physical properties of all the Kenaf nonwovens samples.
Overall, there are two factors that influence the result comparison of this research.
Mukhopadyay, Bulk and Physical Properties of Needle-Punched Nonwoven Fabrics, Indian J.
Factors Influencing Acoustic Performance of Sound Absorptive Materials, Aust.
Online since: July 2015
Authors: Jing Li, Man Jin, Heng Hua Zhang, Zhen Ming Lin
Material cutting properties can be judged by turning temperature and chip shape.
There are many factors used to evaluate the cutting performance of gear steel, such as cutting force, turning temperature, chip shape and surface roughness etc.
Turning temperature and chip shape are the main factors we concerned.
The experiment was carried out to research if new method can accurately reflect the cutting properties of materials.
But this chip is very lengthy and easy to intertwine each other and break thermocouple, affecting the turning process.
There are many factors used to evaluate the cutting performance of gear steel, such as cutting force, turning temperature, chip shape and surface roughness etc.
Turning temperature and chip shape are the main factors we concerned.
The experiment was carried out to research if new method can accurately reflect the cutting properties of materials.
But this chip is very lengthy and easy to intertwine each other and break thermocouple, affecting the turning process.
Online since: April 2011
Authors: Xu Nan Ning, Zuo Yi Yang, Jin Yong Liu
The adsorption effectiveness and their factors of Ni2+ in aqueous solutions were simulated detailed using the adsorbents of the sludge incineration residue.
The simulation contents and the factors included the adsorption time, the pH of solution and the dosage of adsorbents and so on.
The purpose of this study is to simulate detailed using the sludge incineration residue as adsorbents to removal the Ni2+ in aqueous solutions and the adsorption effectiveness and their factors were discussed.
The solutions were agitated by mechanical shaking at a speed of 100 strokes/min.
The parameters affecting the sorption process, viz. contact time, pH and temperature were studied.
The simulation contents and the factors included the adsorption time, the pH of solution and the dosage of adsorbents and so on.
The purpose of this study is to simulate detailed using the sludge incineration residue as adsorbents to removal the Ni2+ in aqueous solutions and the adsorption effectiveness and their factors were discussed.
The solutions were agitated by mechanical shaking at a speed of 100 strokes/min.
The parameters affecting the sorption process, viz. contact time, pH and temperature were studied.
Online since: October 2020
Authors: Marina F. Pillis, Mauricio David Martins das Neves, Eurico F. Pieretti, Tomaz P. Leivas
Introduction
The manufacturing process of an implantable medical device, as an orthopedic implant that replaces a body joint requires mechanical safety and biocompatibility.
To safeguard the integrity of the device, as well as the tissues and organ adjacent to it, thus ensuring a better quality of life for patients, it is necessary that the mechanical properties do not change over their lifetime, or at least remain stable during an extended period of use.
Wear-induced failure remains a major limiting factor affecting the long-term performance of the joint replacements, particularly for younger and more active patients.
Recognition of the wear issue has led to extensive wear studies to predict wear performance, understand wear mechanism and evaluate design factors [9–12].
The surface finish characteristics influence several factors related to the properties of the biomaterials, among them the hardness, the wear, the friction [13] and the resistance to corrosion [14].
To safeguard the integrity of the device, as well as the tissues and organ adjacent to it, thus ensuring a better quality of life for patients, it is necessary that the mechanical properties do not change over their lifetime, or at least remain stable during an extended period of use.
Wear-induced failure remains a major limiting factor affecting the long-term performance of the joint replacements, particularly for younger and more active patients.
Recognition of the wear issue has led to extensive wear studies to predict wear performance, understand wear mechanism and evaluate design factors [9–12].
The surface finish characteristics influence several factors related to the properties of the biomaterials, among them the hardness, the wear, the friction [13] and the resistance to corrosion [14].
Online since: April 2009
Authors: Yvan Houbaert, Rafael Colás, Martha Patrizia Guerrero-Mata, Maribel de la Garza, Mayra Moreno, Patricia del C. Zambrano
Abstract: Galvannealed coatings are obtained by heat treating galvanized steel strips and are
widely used in the automotive industry due to their improved properties.
The mechanical properties of the steel substrate were evaluated, and the morphology and Fe content in the various phases of the coating and its characteristics were analyzed and compared.
Mechanical properties and weldability of HSLA steels are comparable or superior to those of traditional carbon steels [2-4].
The mechanical properties of the coated and uncoated steel were evaluated from specimens machined at 0º, 45º y 90º to the rolling direction according to ASTM E8 standard.
The temperature of the post-dipping furnace affects the Fe content in the Fe-Zn phases.
The mechanical properties of the steel substrate were evaluated, and the morphology and Fe content in the various phases of the coating and its characteristics were analyzed and compared.
Mechanical properties and weldability of HSLA steels are comparable or superior to those of traditional carbon steels [2-4].
The mechanical properties of the coated and uncoated steel were evaluated from specimens machined at 0º, 45º y 90º to the rolling direction according to ASTM E8 standard.
The temperature of the post-dipping furnace affects the Fe content in the Fe-Zn phases.
Online since: September 2014
Authors: Jun Wang, Peng Yao, Yong Wang, Zhong Wei Zhang, Chuan Zhen Huang, Hong Tao Zhu
Introduction
The alumina ceramics has various inherent properties such as high hardness, great thermal stability, chemical inertness and excellent wear resistance.
The properties parameters of alumina ceramics are listed in table 1.
The properties of alumina ceramic wafer Material Density (g/cm3) Vickers hardness (GPa) Bending strength (MPa) Fracture toughness (MPa·m1/2) Alumina 3.7 20 320 3 There are a lot of variables and virtually all these variables affect the erosion results.
In the experiments, four main factors were chosen, i.e. jet impact angle, standoff distance, water pressure, abrasive particle diameter.
This is because the water pressure directly affects the erosion kinetic energy of the abrasive particle.
The properties parameters of alumina ceramics are listed in table 1.
The properties of alumina ceramic wafer Material Density (g/cm3) Vickers hardness (GPa) Bending strength (MPa) Fracture toughness (MPa·m1/2) Alumina 3.7 20 320 3 There are a lot of variables and virtually all these variables affect the erosion results.
In the experiments, four main factors were chosen, i.e. jet impact angle, standoff distance, water pressure, abrasive particle diameter.
This is because the water pressure directly affects the erosion kinetic energy of the abrasive particle.
Online since: July 2011
Authors: Ju Hong Fan, Ren He Wang, Dong Wei Li
There were many researches about the mechanical properties of artificially frozen soil [1-3], but the numerical simulation and interaction of frozen soil and derrick has not yet mature.
The maximum calculated bending stress of the derrick was 214MPa, the safety factor reached to1.16 or more.
Affected by the frost - heaving, the maximum value of the concrete strain gauge B313 reached to 390με, for it was near the frozen wall.
Summary Affected by the frost - heaving, the pressure box Y44 and Y46 had a greater increase, for it was near the frozen wall.
But later the pressure values begun to decrease affected by the deformation of frozen soil.
The maximum calculated bending stress of the derrick was 214MPa, the safety factor reached to1.16 or more.
Affected by the frost - heaving, the maximum value of the concrete strain gauge B313 reached to 390με, for it was near the frozen wall.
Summary Affected by the frost - heaving, the pressure box Y44 and Y46 had a greater increase, for it was near the frozen wall.
But later the pressure values begun to decrease affected by the deformation of frozen soil.