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Online since: October 2025
Authors: Catherine Mayowa Ikumapayi, Chinwuba Arum, Helen Ogunsuyi, Roland C. Arum, Oluwaferanmi Awe, Samuel O. Oluwadare, Oluwadamilare S. Showunmi, I. Uchenna, Bolanle Ojokoh, Oluwafemi Omotayo, Olurotimi Ekundayo, Oluwaseun Grace Mark
Particle Size Distribution: Effects on Physical and Mechanical Properties of Test Cubes
The physical and mechanical properties of the test cubes are significantly influenced by the soil sample's composition.
Some key factors explain this trend.
A number of possible factors may be responsible for the discrepancy.
Effects of elevated temperatures on the mechanical properties of laterized concrete.
A Review on the Mechanical Properties of Natural Fiber Reinforced Compressed Earth Blocks.
Some key factors explain this trend.
A number of possible factors may be responsible for the discrepancy.
Effects of elevated temperatures on the mechanical properties of laterized concrete.
A Review on the Mechanical Properties of Natural Fiber Reinforced Compressed Earth Blocks.
Online since: June 2018
Authors: Robert C. Voigt, Dika Handayani, Kathy Hayrynen
The stabilized austenite in the ADI matrix structure, though thermally stable at room temperature, can be expected to have limited stability when subjected to large mechanical strains.
Material Characterizations The resultant mechanical properties for the Grade 1 ADI and Grade 3 ADI obtained per ASTM E8/E8M-13a are shown in Table 1.
Both Grade 1 ADI and Grade 3 ADI met the minimum mechanical properties of Grade 1 ADI and Grade 3 ADI based on ASTM A897/A897M – 16.
Table 1: Mechanical Properties of DI 100-70-03, ADI and AISI 4340 Steel Material Tensile Strength [ksi/MPa] Yield Strength [(ksi/MPa] Elongation [%] Hardness [HB] 100 – 70 – 03 - - - 240 Grade 1 ADI 150/1034 108/744 13 320 Grade 2 ADI - - - 357 Grade 3 ADI 204/1406 162/1116 6 429 AISI 4340 - - - 351 Experimental Methods A series of face milling, turning and drilling experiments were conducted to evaluate the machinability of ADI.
Unlike in milling and turning operations, careful data analysis suggested that the drilling feed was the main factor that affected the drill life followed by the cutting speed.
Material Characterizations The resultant mechanical properties for the Grade 1 ADI and Grade 3 ADI obtained per ASTM E8/E8M-13a are shown in Table 1.
Both Grade 1 ADI and Grade 3 ADI met the minimum mechanical properties of Grade 1 ADI and Grade 3 ADI based on ASTM A897/A897M – 16.
Table 1: Mechanical Properties of DI 100-70-03, ADI and AISI 4340 Steel Material Tensile Strength [ksi/MPa] Yield Strength [(ksi/MPa] Elongation [%] Hardness [HB] 100 – 70 – 03 - - - 240 Grade 1 ADI 150/1034 108/744 13 320 Grade 2 ADI - - - 357 Grade 3 ADI 204/1406 162/1116 6 429 AISI 4340 - - - 351 Experimental Methods A series of face milling, turning and drilling experiments were conducted to evaluate the machinability of ADI.
Unlike in milling and turning operations, careful data analysis suggested that the drilling feed was the main factor that affected the drill life followed by the cutting speed.
Online since: July 2014
Authors: Er Liang Liu, Yun Peng Ding, Jiao Li, Xian Li Liu, Yong Chun Zheng
Therefore, a tool path pattern is an important process parameter, also is one of the most important factors that affect the processing time.
Influencing factors.
Influencing factors on the tool path patterns are shown in Fig.1.
This is the intrinsic characteristics of the workpiece, and the factors are non-change.
It is decided to go the way of fundamental factors.
Influencing factors.
Influencing factors on the tool path patterns are shown in Fig.1.
This is the intrinsic characteristics of the workpiece, and the factors are non-change.
It is decided to go the way of fundamental factors.
Online since: July 2011
Authors: Guo Ping Zhang
Influenced by various factors, module steel will miss its original functions.
The distribution and analysis of affecting module steel’s intensity CrWMn is a kind of cold work alloy module steel with certain wear-ability and harden-ability, whose capability of easy to form makes part or collapse, but not obvious after warm processing.
The key factors mainly are laser efficiency P, spot diameter D and spot speed V.
The distribution and analysis of affecting module steel’s intensity Horizon Laser power P/W Scan speed v/ mm. min-1 Spot diameter D/mm 1 1400 1600 2.5 2 1600 1100 3 3 1800 950 3.5 4 2000 850 4 B.
Properties of Laser Cladded Ceramic Composite Coating on Plastic Mould.
The distribution and analysis of affecting module steel’s intensity CrWMn is a kind of cold work alloy module steel with certain wear-ability and harden-ability, whose capability of easy to form makes part or collapse, but not obvious after warm processing.
The key factors mainly are laser efficiency P, spot diameter D and spot speed V.
The distribution and analysis of affecting module steel’s intensity Horizon Laser power P/W Scan speed v/ mm. min-1 Spot diameter D/mm 1 1400 1600 2.5 2 1600 1100 3 3 1800 950 3.5 4 2000 850 4 B.
Properties of Laser Cladded Ceramic Composite Coating on Plastic Mould.
Online since: May 2011
Authors: Yun Yu Liu
Temper-
ature not only changes the mechanical properties of materials[1-6],but also affect the material processing performance, and other properties.
Effect of tempering temperature on mechanical properties of 83 steel[J].Transactions of Materials and Heat Treatment,2010,31(9):77-82.
Effects of Continuous Annealing Parameters on Microstructure and Mechanical Properties of Ultra-high strength Dual Phase Steel[J].
Materials for Mechanical Engineering,2010,34(9):23-26.
Chinese Mechanical Engineering,2010, 21(16): 1902-1906.
Effect of tempering temperature on mechanical properties of 83 steel[J].Transactions of Materials and Heat Treatment,2010,31(9):77-82.
Effects of Continuous Annealing Parameters on Microstructure and Mechanical Properties of Ultra-high strength Dual Phase Steel[J].
Materials for Mechanical Engineering,2010,34(9):23-26.
Chinese Mechanical Engineering,2010, 21(16): 1902-1906.
Online since: December 2013
Authors: Qun Jie Xu, Guo Li Zhang, Mei Ming Li, Jie Han
It is found that copper shows an excellent super-hydrophobic property when etched in lauric acid.
It still exhibit super-hydrophobic properties even exposed in moist air for 90 days.
Major issues are as follows: (1) Mechanical stability: The micro-nano hierarchical structure is prone to damage during their usage or machining, caused by corrosion, fatigue and other impact factors.
It is a challenging work to fabricate a super-hydrophobic surface with a high mechanical property
So the factors affecting regularity of the film-forming process remain under-investigated.
It still exhibit super-hydrophobic properties even exposed in moist air for 90 days.
Major issues are as follows: (1) Mechanical stability: The micro-nano hierarchical structure is prone to damage during their usage or machining, caused by corrosion, fatigue and other impact factors.
It is a challenging work to fabricate a super-hydrophobic surface with a high mechanical property
So the factors affecting regularity of the film-forming process remain under-investigated.
Online since: June 2018
Authors: Dmytro Maltsev, Oleksandr Vladyko, Konrad Kokowski
Unsolved Tasks
For the effective use of man-made deposits it is necessary to analyze the sources of their formation, to research mining methods which affect their creation and other related factors associated with these processes.
Because it affects physical and mechanical rock properties (density, consolidation ability, water permeability), it can be divided into three groups: first, 1–5 years old; second, 5–15 years old, and third, 15–80 years old.
In addition, the choice of mining method of man-made deposits is influenced by the physical and mechanical properties of rocks (strength, filtration properties, etc.), technical conditions (equipment used for minerals extraction, transportation and auxiliary works), technological conditions (extraction mode, transport access scheme (layout), etc.), organizational (terms of preparation for extraction, number of changes, etc.), economic conditions (prime cost of production, productivity, profit, etc.).
Based on the above, the following factors must be taken into account for the mineral extraction from the dump: the technology that caused its formation; type of dumps formation; its age; physical and mechanical properties of rocks; technical, technological, organizational and economic conditions of formation.
The most suitable for such a extraction method is the waste of mills that have been aggraded and already have changed physical and mechanical properties of rocks, infrastructure and other indicators suitable for settlement [3].
Because it affects physical and mechanical rock properties (density, consolidation ability, water permeability), it can be divided into three groups: first, 1–5 years old; second, 5–15 years old, and third, 15–80 years old.
In addition, the choice of mining method of man-made deposits is influenced by the physical and mechanical properties of rocks (strength, filtration properties, etc.), technical conditions (equipment used for minerals extraction, transportation and auxiliary works), technological conditions (extraction mode, transport access scheme (layout), etc.), organizational (terms of preparation for extraction, number of changes, etc.), economic conditions (prime cost of production, productivity, profit, etc.).
Based on the above, the following factors must be taken into account for the mineral extraction from the dump: the technology that caused its formation; type of dumps formation; its age; physical and mechanical properties of rocks; technical, technological, organizational and economic conditions of formation.
The most suitable for such a extraction method is the waste of mills that have been aggraded and already have changed physical and mechanical properties of rocks, infrastructure and other indicators suitable for settlement [3].
Online since: September 2013
Authors: Kakon Nag, Toshihiro Akaike
All these endowed properties to the Fc-chimeric protein made them very attractive molecule for the drug market.
Such kind of factors directly affect properties of ESC in culture thus originate limitation for application of relevant protocols for regenerative medicine.
Collectively these protocols are highly detrimental for cell survival as well as cellular properties.
Takeichi, Functional correlation between cell adhesive properties and some cell surface proteins, J.
Daley, Reprogramming of human somatic cells to pluripotency with defined factors, Nature 451 (2008) 141-146
Such kind of factors directly affect properties of ESC in culture thus originate limitation for application of relevant protocols for regenerative medicine.
Collectively these protocols are highly detrimental for cell survival as well as cellular properties.
Takeichi, Functional correlation between cell adhesive properties and some cell surface proteins, J.
Daley, Reprogramming of human somatic cells to pluripotency with defined factors, Nature 451 (2008) 141-146
Online since: January 2016
Authors: Sebastian Radu, Horia Abăităncei, Bogdan Muntean, Cristi Irimia, Mihail Grovu, Călin Husar
Components of hydraulic propulsion system
Symbol
Significance
1
2
3
4
5
6
7
8
9
Signal generator
Rotary mechanical gear
Dynamic rotary mechanical node
Cam profile with cam follower
Generator piston with spring
Pipeline system
Receptor piston with spring
Vehicle
Hydraulic fluid properties
Fig. 1.
Stress Life is based on empirical S-N curves and then modified by a variety of factors [7].
In general, there are three phases in any computer-aided engineering task: Pre-processing is defining the finite element model and environmental factors to be applied to it.
If the service part conditions differ from the as tested conditions, modification factors can be applied to try to account for the difference.
Fatigue strength factor Kf = 0.7 and LSF =1.1.
Stress Life is based on empirical S-N curves and then modified by a variety of factors [7].
In general, there are three phases in any computer-aided engineering task: Pre-processing is defining the finite element model and environmental factors to be applied to it.
If the service part conditions differ from the as tested conditions, modification factors can be applied to try to account for the difference.
Fatigue strength factor Kf = 0.7 and LSF =1.1.
Online since: November 2024
Authors: Hidetake Tanaka, Tanatat Thangkasemvathana, Yuki Nishimura, Emir Yilmaz
There was almost no void of bubble defects, no excess resin flow, and a smooth transition was established between the carbon fiber and the matrix resin layers while allowing the full mechanical strength properties to be realized.
Due to the large volume of printing, defective preforms were expected to be produced, and the ranges in qualities of the printed preforms are one of the key quality factors of the additive manufacturing method.
Although the attention to the subject of observation has shifted from the mechanical properties of the molded preform towards the surface appearance and shape, it was necessary to observe the internal structure of preforms with more ideal and less ideal appearances.
Hrymak, and Frank Henning, Approaching Polycarbonate as an LFT-D Material: Processing and Mechanical Properties, Polymers 15, no. 9, (2023), 2041
[17] Tanaka, Kazuto, and Masaki Taniguchi, Effects of the Injection Material and Resin Layer on the Mechanical Properties of Carbon Fiber-Reinforced Thermoplastic (CFRTP) Press and Injection Hybrid Molded Parts" Journal of Composites Science 8, no. 2, (2024), 56
Due to the large volume of printing, defective preforms were expected to be produced, and the ranges in qualities of the printed preforms are one of the key quality factors of the additive manufacturing method.
Although the attention to the subject of observation has shifted from the mechanical properties of the molded preform towards the surface appearance and shape, it was necessary to observe the internal structure of preforms with more ideal and less ideal appearances.
Hrymak, and Frank Henning, Approaching Polycarbonate as an LFT-D Material: Processing and Mechanical Properties, Polymers 15, no. 9, (2023), 2041
[17] Tanaka, Kazuto, and Masaki Taniguchi, Effects of the Injection Material and Resin Layer on the Mechanical Properties of Carbon Fiber-Reinforced Thermoplastic (CFRTP) Press and Injection Hybrid Molded Parts" Journal of Composites Science 8, no. 2, (2024), 56