常見例句In the former case,the solute segregation in dendritical austenite more severe,and there were lumps of d... 前者枝晶奧氏體內(nèi)溶質(zhì)偏析大，有畸變夾雜團塊。The dendritical spaped precipitates in GH 302 alloy were identified as C14 type Laves phase by means of CBED, SED and X-ray mitro-analysis. 用會聚束電子衍射、選區(qū)電子衍射和X射線微區(qū)分析,將GH302合金中的枝晶狀析出相確認(rèn)為C14型Laves相。In the former case,the solute segregation in dendritical austenite more severe,and there were lumps of distortion inclusion. 前者枝晶奧氏體內(nèi)溶質(zhì)偏析大，有畸變夾雜團塊。Abstract The relations between the La, Ce, (La+Ce) rare earths compounds and the dendritical arm space( l DAS ) in ZL105 alloy cylindrical casting were studied. 針對ZL105合金圓柱體鑄件，考查了鑭、鈰和鑭鈰混合稀土與二次枝晶間距的關(guān)系。The results show that the banded ferrite structure,widmanstatten structure,dendritical microstructure and nonmetallic inclusion which decreasing the toughness of the steel cause the brittle fracture. 結(jié)果表明,宏觀斷口為脆性斷裂,金相組織不僅有回火索氏體,還包含不應(yīng)有的帶狀鐵素體、魏氏體組織及明顯的枝狀晶和非金屬夾雜物,從而導(dǎo)致鋼的韌性降低。Non-dimensional Analysis on Hydraulic Transient of Dendritical Pipeline Network 樹枝狀管網(wǎng)無量綱水力瞬變分析 返回 dendritical