Results 61 to 70 of about 1,243,819 (189)

A Study on Non-Metallic Inclusion in 304 Stainless Steel Produced by Twin Roll Thin Strip Casting

Teshugang, 2007
Large inclusions and ultra-fine inclusions in 304 stainless steel thin strip produced by twin roll strip casting have studied by scanning and transmission electron microscope. Results indicated that inclusions in thin strip were spheroidal compound oxide
黄福祥, 王盛林, 张炯明, 王新华, 方园, 于艳   +5 more
doaj  

A Study on Non-Metallic Inclusion in DQ Deep-Drawing Low Carbon Steel Casting Slab Produced by CSP Process

Teshugang, 2020
For improving the problem of non-metallic inclusions in low carbon aluminum killed steel produced by CSP process at Jiuquan steel Co,with sampling at each phase of steelmaking and continuous casting,the study of inclusions in steel is carried out by ...
飞尚才, 蒋小霞, 苟宁年, 徐楠
doaj  

High school special needs students attitudes about inclusion [PDF]

, 2000
Plan BHigh school special needs student’s attitudes about inclusion were examined in this study. All students participating in this study were involved in inclusion.
Pierce, LaRue A.
core  

The effects of inclusion on general education students [PDF]

, 2001
Plan BThe purpose of this study was to examine the effects that inclusion of special education students have on regular education students. This was done through a comprehensive review and critical analysis of research and literature concerning both ...
Pawlowicz, Bruce
core  

Detection and Imaging of Nonmetallic Inclusions in Continuously Cast Steel Plates by Higher Harmonics

, 2010
Nonmetallic inclusions within coarse columnar dendrites in continuously cast steel plates were detected and imaged by a nonlinear ultrasonic imaging technique. The nonlinear response of the inclusion/steel interface to tensile and compressive stress
Yasuaki Nagata, Koichiro Kawashima, Toshihiro Ito   +2 more
core   +1 more source

Effect of Nonmetallic Inclusion on Impact Toughness of High Strength Oil Casing

Teshugang
The number， size， chemical composition and morphology of inclusions in continuous casting billet samples were analyzed using SEM and bulk sample electrolysis for high strength OCTG steel. The results show that the micro inclusions and large inclusions in
Deng Xuyan, Wang Juchao, Zhang Lingtong, Wang Shuling   +3 more
doaj  

Research on Intelligent Identification and Grading of Nonmetallic Inclusions in Steels Based on Deep Learning. [PDF]

Micromachines (Basel), 2023
Zhu X, Wan W, Qian L, Cai Y, Chen X, Zhang P, Huang G, Liu B, Yao Q, Li S, Yao Z.   +10 more
europepmc   +1 more source

Practice of Process for Increasing Ratio of Qualified 20CrMnTiH Gear Steel Products with Non-metallic Inclusion Examination

Teshugang, 2009
20CrMnTiH gear steel is produced by EAF (tapping 45 t steel) -LF-CC process flow sheet al Special Steel Works, Bensteel. With controlling arc furnace liquid steel decarburizing amount ≥0. 25% C, insuring decarburizing rate 0. 02% C/min, adding 0.
刘昭
doaj  

Study on the Influence of Random Distribution of Inclusions on Gear Contact Fatigue Performance

Jixie chuandong, 2020
The existence of nonmetallic inclusions in gear materials can significantly reduce the contact fatigue strength of gears， and the research on the related mechanism can provide important guidance for the control of production quality and service ...
Bing Lei, Huaiju Liu, Wenbo Zhang, Jiqiang Li   +3 more
doaj  

Effect of retained austenite and nonmetallic inclusions on the thermal/electrical properties and resistance spot welding nuggets of Si-containing TRIP steels

, 2019
Five advanced high-strength transformation-induced plasticity (TRIP) steels with different chemical compositions were studied to correlate the retained austenite and nonmetallic inclusion content with their physical properties and the characteristics of
Baltazar Hernández, Víctor Hugo, Vargas, Victor Hugo, Maldonado, Cuauhtemoc, Mejia, Ignacio   +3 more
core   +1 more source