Research of Resistance to High Temperature and Creep Resistant Magnesium Alloy

2013 ◽  
Vol 750-752 ◽  
pp. 715-720
Author(s):  
Xu Jin Zhang ◽  
Gui Hong Geng
Keyword(s):  
High Temperature ◽  
Magnesium Alloy ◽  
Strengthening Mechanism ◽  
Development Trend ◽  
Preparation Methods ◽  
The Development Trend

The strengthening mechanism, properties and applications of magnesium alloy with resistance to high temperature and creep resistant were introduced. The effects of some kinds of elements in magnesium alloy and the preparation methods were also elaborated. At last, the development trend of magnesium alloy was overviewed.

Thermal Deep Drawing of Magnesium Alloy Sheets

2014 ◽  
Vol 971-973 ◽  
pp. 220-223
Author(s):  
Bo Wang ◽  
Xian Chang Mao
Keyword(s):  
Magnesium Alloy ◽  
Deep Drawing ◽  
Development Trend ◽  
Alloy Sheet ◽  
Solid Particles ◽  
Blank Holder ◽  
Forming Technology ◽  
Warm Deep Drawing ◽  
Plastic Forming ◽  
The Development Trend

Thermal deep-drawing is a main processing technology which is used to plastic forming for magnesium alloy sheet. Combined with the research status, several deep drawing methods were introduced in detail in this paper, including indirect heating deep drawing, direct heating deep drawing, differential temperature deep drawing, warm hydraulic deep drawing, warm deep drawing with solid particles, warm deep drawing with segmental blank-holder, pre-forming warm deep drawing. Finally, the development trend and burning questions of magnesium alloy thermal forming technology were predicted.

Key Technologies Research of MEMS Pressure Sensor for Fuze

2014 ◽  
Vol 472 ◽  
pp. 242-246
Author(s):  
Bo Jiang ◽  
Xing Lin Qi ◽  
Zhi Ning Zhao
Keyword(s):  
High Temperature ◽  
Pressure Sensor ◽  
High Frequency ◽  
Development Trend ◽  
Military Industry ◽  
Key Technology ◽  
Sensor Applications ◽  
Key Technologies ◽  
Mems Technology ◽  
The Development Trend

MEMS technology has been widely used in military industry, in order to further expand the scope of the MEMS pressure sensor applications in military industry, to make fuze development toward miniaturization and intelligent, do the study on special fuze MEMS pressure sensor. Environment of MEMS pressure sensor application in fuze is analyzed, consist service treatment environment and using environment, which can provide indicators for the development of the sensor. The paper analyzes several key technology of the fuze MEMS pressure sensor, including the technique of high temperature resistant, acceleration compensation, leadless, high frequency resistant and overload resistant and so on. To sum up, the continuous development of MEMS technology can make its products meet the use environment of fuze, and the development trend of the fuze also needs the support of MEMS technology, so it is necessary and feasible to carry out the research of the fuze MEMS pressure sensor.

Review of Status about the Effect of Ultrasonic Impact on Fatigue Properties of Welded Joints of Magnesium Alloy

2013 ◽  
Vol 668 ◽  
pp. 835-839 ◽  
Author(s):  
Ying Xia Yu ◽  
Bo Lin He ◽  
Bin Wang ◽  
Shang Yu Zhou
Keyword(s):  
Residual Stress ◽  
Grain Size ◽  
Magnesium Alloy ◽  
Welded Joints ◽  
Welded Joint ◽  
Development Trend ◽  
Fatigue Properties ◽  
Concentration Coefficient ◽  
The Development Trend ◽  
Stress Concentration Coefficient

The study on magnesium alloy has attracted attention at home and abroad. Status and development trend about the fatigue properties of welded joints of magnesium alloy were reviewed. The main problems and deficiencies were pointed out, and the recent development's focus was outlined. The development trend of improving the fatigue propeties and fatigue life was analyzed. The ultrasonic impact method can not only decrease the stress concentration coefficient and tensile residual stress of welded joint, but also refine the grain size of welded joints, even to compressive stress and nanograins. The method has put forward a new way for increasing fatigue properties and life of welded joint of magnesium alloy.

Research and Development of High Temperature Electrothermal Materials

2011 ◽  
Vol 339 ◽  
pp. 17-22 ◽  
Author(s):  
Ying Yi Zhang ◽  
Yun Gang Li ◽  
Kuai Zhang ◽  
Ying Tian
Keyword(s):  
Comparative Analysis ◽  
High Temperature ◽  
Research And Development ◽  
Electric Heating ◽  
Development Trend ◽  
Preparation Methods ◽  
Development Status ◽  
Advantages And Disadvantages ◽  
At Home

By summarizing the research and development status of electro-thermal materials, this thesis puts its focus on the types, preparation methods and applications of non-metallic high-temperature electrothermal materials, and the comparative analysis of the advantages and disadvantages of such electric heating elements as SiC, ZrO2, LaCrO3and MoSi2. At last, the gap and the main problems existing between researches made on high temperature electrothermic materials at home and abroad are pointed out, as well as their prospected development trend.

Research Progress on Preparation of SiC/Al for Electronic Packaging by Liquid Infiltration

2021 ◽  
Vol 1035 ◽  
pp. 906-917
Author(s):  
Meng Qin Chen ◽  
Yue Long Bai ◽  
Zhi Feng Zhang
Keyword(s):  
Electronic Packaging ◽  
Volume Fraction ◽  
High Volume ◽  
Development Trend ◽  
Research Progress ◽  
Preparation Methods ◽  
Advantages And Disadvantages ◽  
Liquid Infiltration ◽  
Al Composite ◽  
The Development Trend

High volume fraction SiC/Al composite material, with its excellent thermal properties and flexible preparation process, has been widely used in the field of electronic packaging. In the paprer, the development of SiC/Al materials for electronic packaging and their preparation methods are reviewed. The preparation processes for preparing SiC/Al by liquid infiltration are mainly introduced. The advantages and disadvantages of several important processes are analyzed. Finally, the development trend of SiC/Al for electronic packaging prepared by liquid infiltration is prospected.

Research of Novel Functional Stealthy Nanomaterials

2012 ◽  
Vol 534 ◽  
pp. 73-77
Author(s):  
Qiang Wang ◽  
Ling Na Sun ◽  
Chang Wen Hu ◽  
Chuan Bao Cao
Keyword(s):  
Functional Materials ◽  
Development Trend ◽  
Research Progress ◽  
Nano Materials ◽  
Military Technology ◽  
Absorption Mechanism ◽  
Preparation Methods ◽  
Electronic Warfare ◽  
Military Equipment ◽  
The Development Trend

With the continuous development of Electronic Warfare Technology (ECM) and new requirements of military modernization, stealthy technology played an important role in military equipment. Mechanism of new stealthy continues to be broken through and numbers of successful developments of new types of stealthy materials are put into use. New stealthy materials are the basis and key of stealthy technology and their developments are promoted by the improvements of detection and guidance of military technology. The studies of new stealthy functional nano-materials are analyzed and the stealthy mechanism of functional materials is introduced. The research progress, classification, preparation methods and the radar absorption mechanism of stealthy for new stealthy functional nano-materials are discussed. The new stealthy functional nano-materials are compared with the traditional radar absorption materials. The development trend and application prospects of stealthy functional nano-materials are also estimated.

The Application of Magnesium Alloy in Automotive Seat Design

2013 ◽  
Vol 395-396 ◽  
pp. 266-270 ◽  
Author(s):  
Shu Fen Wang ◽  
Wen Wen Hu ◽  
Zhen Hai Gao ◽  
Tian Peng Zhao
Keyword(s):  
Magnesium Alloy ◽  
Magnesium Alloys ◽  
Development Trend ◽  
Static Strength ◽  
Strength Analysis ◽  
Car Seat ◽  
Finite Element Software ◽  
Steel Material ◽  
Seat Frame ◽  
The Development Trend

Vehicle weight reduction has become the development trend of the automotive industry, lightweight magnesium alloy as the material can be applied to automobile parts to achieve more substantial weight loss results. This paper adopts a car seat frame, refer to the regulations for strength of seat system, finite element software ANSYS, the static strength analysis of magnesium alloy seat frame. And further on carbon steel material for static strength analysis, conclusions and magnesium alloys were compared, from lightweight, economy and other aspects show the superiority of magnesium alloys.

Progress in Preparation of Nano-Sized Magnesium Hydroxide from Concentrated Seawater and Brine

2014 ◽  
Vol 989-994 ◽  
pp. 540-543
Author(s):  
Hai Hong Wu ◽  
Chun Juan Gao ◽  
Bi Jun Luo ◽  
Dan Wu ◽  
Shao Yan Lu ◽  
...  
Keyword(s):  
Magnesium Hydroxide ◽  
Chemical Industry ◽  
Development Trend ◽  
Raw Material ◽  
Preparation Methods ◽  
New Methods ◽  
The Development Trend ◽  
Ammonia Method

The nanosized magnesium hydroxide is a valuable intermediate for chemical industry materials. This review covers the preparation methods of nanosized magnesium hydroxide using concentrated seawater or brine as raw material, including alkaline method, calcium method, ammonia method and other new methods. Additionally, the development trend of preparing nanosized magnesium hydroxide from concentrated seawater or brine was analyzed.

Ceramic Fiber Application Research

2012 ◽  
Vol 271-272 ◽  
pp. 102-106 ◽  
Author(s):  
Lei Jiao ◽  
Bai Yang Jin
Keyword(s):  
Mechanical Vibration ◽  
Heat Stability ◽  
Development Trend ◽  
Ceramic Fiber ◽  
Light Weight ◽  
Application Research ◽  
Lightweight Refractory ◽  
Preparation Methods ◽  
The Development Trend ◽  
Good Heat

Ceramic fiber is a kind of fibrous lightweight refractory with many advantages of light weight, thermostability, good heat stability, low thermal conductivity, small specific heat, and resistance to mechanical vibration and so on. As a result of them, it has been used widely in lots of fields, such as machinery, metallurgy, chemical industry, oil, ceramics, glass and electron. From the aspect of the ceramic fiber development, in this essay, the types and preparation methods of ceramic fiber have been listed one by one, and the author focused on analyzing the development trend of ceramic fiber and the application in papermaking industry.

ALUMINUM 3004

Alloy Digest ◽  
1974 ◽  
Vol 23 (4) ◽  
Keyword(s):  
Heat Treatment ◽  
Corrosion Resistance ◽  
Shear Strength ◽  
High Temperature ◽  
Magnesium Alloy ◽  
Cold Working ◽  
Heat Treating ◽  
Temperature Performance ◽  
Good Workability ◽  
Manganese Magnesium

Abstract ALUMINUM 3004 is nominally an aluminum-manganese-magnesium alloy which cannot be hardened by heat treatment; however, it can be strain hardened by cold working. It has higher strength than Aluminum 3003 and good workability, weldability and resistance to corrosion. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-51. Producer or source: Various aluminum companies. Originally published June 1957, revised April 1974.

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