Zhang Fengfan. Resin Toughening and Toughened Composite[J]. Journal of Materials Engineering, 1995, 0(5): 3-6.
The development of toughened resin and composite,and characterization of toughness of resin and composite is introduced.Interlaminar fracture toughness(GIC) and compressive strength after impact as criteria of toughness of resin and composite is mainly explained.These criteria are accepted by industrial,scientific and technological circles.The properties and application of toughnened resin matrix composite are also discussed.
Liu Faxin, Yuan Wenming, Tang Xin, Yang Aide, Chen Wanhua. Development and Application of Fine Grain Casting Technology for Superalloy Castings[J]. Journal of Materials Engineering, 1995, 0(5): 7-11.
The development,principle,processes,and application of fine-grain casting of superalloy in recent years have been commented on in this paper.The effect of fine grain casting on the mechnical properties of superalloy has also been discussed.
Zhang Hong, Si Yongmin, Liu Qingguo. Development of Adaptive Structure Used in Vibration Suppression[J]. Journal of Materials Engineering, 1995, 0(5): 12-14.
Adaptive structure is an advanced technology that has been used on the field of autocontrol,aeronautics and astronautics and so on,that has been paid great attention to in resent years.This paper reviewed the development of adaptive structure usde in the active vibration control.
Zhang Wei. The Martensitic Transformation and Advanced Materials[J]. Journal of Materials Engineering, 1995, 0(5): 15-16.
New alloys resulted from martensitic transformation are presented in brief,mainly including shape memory alloy,super-elastic alloy,super-plastic alloy, viberation damping alloy and enhenced strength and plastic property.
Cao Lamei. The Processing Characters of Ceramis Core Used for Directional and Single Crystal Blades[J]. Journal of Materials Engineering, 1995, 0(5): 20-21,31.
This paper reviews the current development of ceramis core.The material and processing characters of alumina ceramis core used to produce directional and single crystal blades are mainly described.
He Yuehui, Qu Xuanhui, Huang Baiyun, Lei Changming, Kong Gaoning, Chen Linghui. The Effect of Chemico-thermal Treatment on Oidation Resistance of TiAl Based Alloy[J]. Journal of Materials Engineering, 1995, 0(5): 22-25.
The effect of carburizing treatment on the oxidation resistance at high temperature of Ti-48Al-2Cr-2Nb(at.%)alloy was investigated.It has been found by test that the oxidation resistance of TiAl based alloy at elevated temperature can be effectively improved by this way.SEM, wave length spectrum analysis, EDAX and X-ray diffraction analysis were used to study the mechanism of enhance of oxidation resistance of TiAl based alloy by carburization.
Zhong Ping, Zhang Lianrong. The Influence of Heat Treatment on Mechanical Properties and Structure of 30CrMnSiNi2A Steel[J]. Journal of Materials Engineering, 1995, 0(5): 26-28.
Microstructures and mechanical properties of 30CrMnSiNi2A steel quenched in oil at different temperatures tempering have been studied.The results show that this steel tempered specimens at 250~270℃can obtain better combination of stength and toughness.Comparing with isothermal quenching, stength can be increased and fracture toughness was increased substantially.
Xu Zhiqing. Effect of Particle Size on Quality of Ceramic Core for DS Hollow Blades[J]. Journal of Materials Engineering, 1995, 0(5): 29-31.
Several Kinds of ceramic core having different grade particle size and their application in the blade production were commpared in this paper in order to clear the reason on the instable core quality and to improxe the blade casting yield.The sintering mechanism on the core having different particle size were discusioned.
Ma Zongyi, Lu Yuxiong, Bi Jing, Zhang Yuzheng. SEM Study on Tensile Fracture Process of SiCp/2024Al Composite[J]. Journal of Materials Engineering, 1995, 0(5): 32-34.
Dynamic tension on the 20μm SiC particulate reinforced 2024Al composite fabricated by P/M technique was carried out.It was indicated that the SiC particulates were fractured at lower stress.The accumulative damage of the composite caused by the fracture of a lot of SiC particulates resulted in final fracture of the cimposite.The result was accounted for by the strengthening mechanism and theoritical calculation.
Bai Yongping, Zhang Zhiqian, Wai Yuezheng. Research and Production of a New High Temperature Maleimide Resin[J]. Journal of Materials Engineering, 1995, 0(5): 35-36,34.
In this paper,the method of synthesising a new high temperature maleimide resin is reported,and the resin is studied by I. R spectrum and TGA.The technology of synthesising the resin is simple and it can be dissolved in acetone for making prepreg.
Wang Lean, Tang Xiangsong, Liu Qiang, Chen Yingjie, Shi Xiangsheng, Zhou Buzhang. The Study on Extruding Processing for Blank of Precision Forging Blades of TC-11 Titanium Alloy[J]. Journal of Materials Engineering, 1995, 0(5): 39-42.
This study has proved that high quality blanks which possess homogeneous structure and continuous grain flow distributed along the contour, when screw press and horizontal forging machine are respectively used for extruding and upsetting blanks of TC-11 titanium alloy precision forging blades.The material which is used for forging blade can be greatly saved.This processing method is suited to the national conditions and has wide application prospects.
Zhou Yanbang, Yan Yuanlin, Xiao Xiyun, Hong Weimin. New Oxide Ceramic Shell Mould Technology for Titanium Investment Castings[J]. Journal of Materials Engineering, 1995, 0(5): 43-45.
This paper has described the investigation of new ceramic shell mould technology, which is able to preduce thiner wall titanium alloy investment castings.The stable oxide refractory and rare-earth binder,using for facing layer of the shell,have been researched. The metallurgical quality and property of the in-vestment castiags,making by new shell mould technology,are discussed.
