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Enhanced mechanical properties of a 0.22C-Mn-Si-Cr low alloyed steel treated by ART and Q&P processes Baifeng An1, a, Guhui Gao1,*b, Xiaolu Gui 1,c, Zhunli Tan1,d, Bingzhe Bai2,e 1Department of Mechanical and Electronic Control Engineering, Beijing jiaotong University, The People's Republic of China; 2School of material science and engineering, Tsinghua University, The People's Republic of China a13121295@bjtu.edu.cn,*bgaogh@bjtu.edu.cn, cxlgui@bjtu.edu.cn, dtzli@bjtu.edu.cn, ebzbai@bjtu.edu.cn Keywords: austenite reverse transformation, Q&P, bainite, retained austenite, mechanical property Abstract.
Introduction The development trend of advanced high strength steels (AHSSs) needs to realize the combination of high strength, high ductility.
Fig. 4 shows the engineering strain-stress curves of the samples treated by the ART&T, BQ&P and ART + Q&P processes.
Fig. 4 Engineering stress-Engineering strain curves of the samples treated by the ART&T, BQ&P and ART + Q&P processes Table 1 Mechanical properties of the mild steel after ART&T, BQ&P and ART + Q&P treatments Process Rm Rp0.2 Agt A Rm•A (Mpa) (Mpa) (%) (%) (GPa•%) ART&T 1389 1177 6.5 16.0 22.219 BQ&P 1239 1065 12.9 22.4 27.748 ART + Q&P 1232 893 20.4 28.6 35.238 Note：Rm—tensile strength，Rp0.2—yield strength，Agt—uniform elongation，A—total elongation，Rm•A—products of tensile strength to total elongation Fig.5 XRD patterns of the low alloyed steel treated by the ART&T, BQ&P and ART + Q&P processes Fig.6 Volume fraction of retained austenite in the low alloyed steel treated by different processes 3.3 Analysis of the XRD XRD patterns of the low alloyed steel treated by the ART&T, BQ&P and ART + Q&P process were shown in Fig. 5.
Mater Sci Forum, 2003; 426-432: 1089 [3] Ren Yongqiang, Xie Zhenjia, Shang Chengjia J.

The aforesaid types of additives are therefore used, for example, when designing concrete types to be used in hydraulic engineering, etc.
LO1408 "AdMaS UP - Advanced Materials, Structures and Technologies", supported by Ministry of Education, Youth and Sports under the „National Sustainability Programme I".
Brno University of Technology, Faculty of Civil Engineering, 2007
BUT, Faculty of Civil Engineering, Institute of Technology of Building Materials and Components
Materials Science Forum. 2017.

Studies on mechanical properties of diamond bird-beak XX-joint Shengliang Liu 1,a, Zhaoquan Zhu 2,b, and Xian Dong 3,c 1, 2,3College of Civil and Transportation Engineering, Hohai University, Nanjing, 210098, China ahhulsl@163.com, bzzq@hhu.edu.cn, cwendongxian@163.com Keywords: diamond bird-beak XX-joint, ultimate capacity, geometric parameters, load effect.  
New development in the research and application of steel tubular joints [A].The 3th International Forum on Advances in Structural Engineering, Shanghai, China, 2009: 159-171
Structural Engineers, 2009, 2(2): 35-40

Repairing Surface Fatigue Damage of the Metal Material by Heat Treatment Ting liang Guo1, a, Zhao xing Han 2,b 1School of Mechanical Engineering, HuaiHai Institute of Technology, China 2 School of Mechanical Engineering, HuaiHai Institute of Technology, China a sdguotl@163.com, b hanzhaoxing@yahoo.com.cn Keywords: heat treatment, repairing, surface fatigue damage, metal material, temping threshold behavior.
Forum Vol. 83-87 (1992), p. 119 [2] M.A.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Borrego, Fatigue behaviour of laser repairing welded joints, Engineering Failure Analysis 14 (2007) 1586–1593 [7] Tingliang Guo, Study on Repair Fatigue Damage of Axle Shaft Mechanical Parts, ICIC2009, volume 4:264-267

Gareev, Destruction patterns of X70 steel sample, possessing cracks of corrosion-mechanical origin, under cyclic loading, Materials Science Forum. 946 (2019) 20-24
Insafutdinov, Effect of the geometry of the shell/elliptical-bottom contact zone on the stress state of pressure vessels, Chemical and Petroleum Engineering. 36 (2000) 3
Тokarev, Evaluation ofthePossibilityofObtaining Tube-to-Tube Sheet Welded Joints of 15Cr5Mo Steel by Alternative Technological Process, 4th International Conference on Advanced Engineering and Technology (4th ICAET) IOP Publishing IOP Conf.
Series: Materials Science and Engineering 317 (2018) 01207

Ceramic and Glass Engineering Department, CICECO, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal, ilemos@cv.ua.pt, jmf@cv.ua.pt; 2.
Engineering Faculty of University of Porto, Rua Dr.
Biomedical Engineering Institute, Rua do Campo Alegre 823, 4150-180 Porto, Portugal.
Ferreira: to be published in a special volume of Advanced Materials Forum (2003).

Effects of SiC Particle and Holding Time on Semi-Solid Microstructure of SiCP/AZ61 Composites Fayun ZHANG 1, a, Jianxiong YE 2,b and Hong YAN 3,c 1 Department of Solar Energy Science and Engineering, Xinyu University, Xinyu 338004,China 2 Department of Mechnial and Power Engineering; Nanchang Institute of Technology; Nanchang 330099, China 3 Institute of Advanced Forming &Manufacturing and Die & Mold, Nanchang University, Nanchang 330029,China azfyabc@126.com, bjxlpyjx@163.com, chyan@ncu.edu.cn Keywords: SiCP/AZ61 composites, microstructural evolution, Isothermal holding, semi-solid.
Zavaliangos: Materials Science and Engineering Vol. 289 (2000) , p.217 [2] D.B.
Zhang: Materials Science Forum Vol.561-565(2007), p.945

Research on the optimization method of compatibility between polycarboxylic admixture and cement Haichao Wang1, a, Chen Chen1, b, Xiquan Xu2, Zhigang Yang2, Huajie Zhang2, Chunhe Zhao 3 1College of Civil Engineering , Shandong University of Science and Technology , Qingdao 266510,China 2Rizhao Polytechnic , Rizhao 276826, China 3Rizhao Haijing Building Materials co.
The cements slurry experiments are carried out to test the application effects of the polycarboxylic admixtures in engineering.
This paper researches the influences of mixing amount of polymeric material adapting to different types of cement combined with actual production besides considering the effects of the experimental factors to optimize the formula of carboxylic-acid-product and bring down engineering cost tremendously.
Forum Vol. 83-87 (1992), p. 119 [2] M.A.
Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.

Evaluation and Control of Crystallographic Alignment of Biological Apatite Crystallites in Bones Takayoshi Nakano1,a, Takuya Ishimoto 1,b, Jee-Wook Lee1,c, Sayaka Miyabe1,d, Naoko Ikeo1,e, Hidetsugu Fukuda2,f 1 Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamada-oka, Suita, Osaka 565-0871, Japan 2 R & D Group, Nakashima Medical Co., Ltd., 688-1, Joto-Kitakata, Higashi-ku, Okayama, Okayama 709-0625, Japan a nakano@mat.eng.osaka-u.ac.jp, bishimoto@mat.eng.osaka-u.ac.jp, cleejw@mat.eng.osaka-u.ac.jp, dmiyabe@mat.eng.osaka-u.ac.jp e naoko.ikeo@mat.eng.osaka-u.ac.jp, fh-fukuda@nakashima.co.jp Keywords: Biological apatite, BAp, preferential orientation, bone quality, microbeam X-ray diffraction, materials design, porous material, electron beam melting, EBM, osteopetrosis, osteoclast Abstract.
All procedures were approved by the Graduate School of Engineering Animal Studies Committee, Osaka University.
Thus, techniques for controlling BAp orientation should be developed, especially with regard to tissue engineering techniques for lost bone tissues.
Acknowledgements This work was supported by the "Priority Assistance of the Formation of Worldwide Renowned Centers of Research-The Global COE Program (Project: Center of Excellence for Advanced Structural and Functional Materials Design)" a Grant-in-Aid for Scientific Research and Development from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), and partly Hosokawa Powder Technology Foundation and the "Super Special Consortia" for the supporting development of cutting edge medical care (Cabinet office, Government of Japan, and Ministry of Health, Labor and Welfare, Ministry of Education, Culture, Sports, Science and Technology, Ministry of Economy, Trade and Industry).
Forum Vols. 638-642 (2010), p. 576

Effect of Homogenization Treatment on Microstructure and Properties of ZnAl15 Alloy Yan Xin-Qi1,2,a, Chen Yong1,b, Liu Sheng-Xin1,c*,Long Wei-Min2,d, Huang Jun-Lan2,e, Zhang Liang-Ying1,2,f 1School of Materials Science and Engineering, Zhengzhou University,Zhengzhou 450001, P.
China 2State Key Laboratory of Advanced Brazing Filler Metals and Technology,Zhengzhou Research Institute of Mechanical Engineering, Zhengzhou 450001, P.
Forum Vol.28 (2008), p. 401(in Chinese) [5] F.
Bhattacharya: Engineering Failure Analysis Vol. 10 (2003), p. 639 [12] G.