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dandingge金蟲(chóng) (正式寫(xiě)手)
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(1)漢譯英: 焊接電流為50A的接頭焊縫區(qū)的X射線衍射圖譜如圖6所示。從圖可以看出,焊縫區(qū)存在α-Mg和β-Mg17Al12兩種衍射峰,其中后者衍射峰較弱,僅出現(xiàn)一個(gè)衍射峰,這表明AZ31B鎂合金焊縫由大量的α-Mg和少量的Mg17Al12 組成。根據(jù)Mg-Al二元相圖[9],平衡凝固過(guò)程中,當(dāng)鋁含量大于1.5%時(shí)就會(huì)結(jié)晶出化合物相Mg17Al12。在TIG焊過(guò)程中,由于熔池金屬中的Mg元素蒸發(fā)燒損, Al元素含量相對(duì)增大,同時(shí)焊縫凝固速度快,因此焊縫中會(huì)存在比母材中更多的Mg17Al12。 (2)The experiment was carried out using TDI-500 AC-DC pulse welding machine, its maximum output current is 500A. The welding technique of one-side welding with both-sides molding was used, and play-movement is 0.1mm.Mechanical properties were determined by CMT5105 standard tensile tests on small-scale specimens, which produced by MTS (China) Co., Ltd.請(qǐng)問(wèn)這段英語(yǔ)中表述對(duì)嗎?有沒(méi)有語(yǔ)法時(shí)態(tài)錯(cuò)誤?麻煩了,謝謝 |

鐵桿木蟲(chóng) (知名作家)
| The experiment was carried out by using TDI-500 AC-DC pulse welding machine, the maximum output current of which is 500A. The welding technique of one-side welding with both-sides molding was applied with 0.1mm play-movement. Mechanical properties were determined by CMT5105 standard tensile tests on small-scale specimens produced by MTS (China) Co., Ltd. |

金蟲(chóng) (正式寫(xiě)手)

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