珠光體滲碳體 的英文怎麼說
中文拼音 [zhūguāngtǐshèntàntǐ]
珠光體滲碳體
英文
pearlitic cementite-
Equal channel angular processing of the pearlitic steel ( 0. 65 wt. % c ) was successfully carried out at 650 with route c in this study, obtaining a total equivalent true strain ~ 5. the microstructure evolution of pearlitic steel in ecap was investigated by means of transmission electron microscope and scanning electron microscope. the main results are as the following : 1
本研究成功地實現了c方式650珠光體鋼65mnecap變形,累積等效真應變達到5 。並用透射電鏡、掃描電鏡研究了珠光體組織的演變特點和滲碳體的變形。主要結果如下: 13. on the present deformation condition, the cementite in pearlitic steel has more severe plastic deformation capability t - he max shear strain up to 1. 9. 4
C方式ecap變形條件使珠光體鋼65mn中的滲碳體可以表現出很強的塑性變形能力? ?觀察到的最大切變形達到1 . 9的等效真應變。It is known that a pearlitic material is composed of numerous pearlitic colonies with randomly distributed orientations, and in each colony there are many parallel ferrite and cementite laminas arranged alternatively
珠光體材料為兩相材料,它由大量隨機取向的珠光體團組成,每一珠光體團由包含大量鐵素體片和滲碳體片交互疊合而成。The strength of extension of low carbon ductile cast iron can reach 750mpa in casting state, the impact ductility can reach 20j / cm2. the diameter of graphite nodule is 5 - 20 ( am, the base body is consisted of pearlite -
低碳球鐵在鑄態下的抗拉強度可達750mpa ,沖擊韌性可達20j cm ~ 2 ,其中石墨球直徑在5 20 m ,基體以珠光體為主,有少量的鐵素體與滲碳體。In ecap route c, in order to accommodate the severe shear deformation the deformation form of lamellae cementite in pearlitic steel include periodical bending, periodical shearing and shearing fracture etc
在c方式ecap變形中,珠光體鋼65mn中的滲碳體以周期性的彎曲變形,周期性的剪切變形,剪切斷裂等形式協調ecap的強烈塑性變形。The microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after five passes. the ferrite matrix is homogeneous grains, average grain size is - 0. 3 m. 2
變形五道次后,片層狀的珠光體組織演變成了超細的滲碳體顆粒均勻分佈於鐵素體基體的組織,鐵素體基體為均勻的等軸晶,平均晶粒大小為0 . 3 m 。The main results are as the following : ( 1 ) the microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after four passes. the ferrite matrix is homogeneous grains, and average grain size is - 0. 3um
主要結果如下: ( 1 ) ecap變形四道次后,片層狀的珠光體組織演變為了超細的滲碳體顆粒均勻分佈於亞微晶鐵素體基體的組織。On the surface of annealed 45 steel, as the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during depositioa the coating exists in form of nano - polycrystal layers composed by gathering of nano - sized crystals
在退火態45鋼表面,由於珠光體組織中含有滲碳體相且具有比較高的晶界密度,因而在沉積初期鍍層優先在此處形核和生長;鍍層在基體表面是以納米尺度的晶粒聚集在一起形成的聚晶體形式存在的。分享友人