The bench and field tests show that Mn-Cu alloyed ADI can replace 20 CrMnTi alloy steel for manufacturing the spiral bevel gear of EQ14O vehicle.

臺架試驗和跑車試驗表明114黄色网站，Cu-Mn合金奧貝球鐵可代替20CrMnTi合金鋼生產(chǎn)EQ140汽車后橋螺旋錐齒輪97精品国产91久久久久久久。

It is a powder agent with scientific mixture and is performed as the slagging medium in the welding of bronzes,brasses and alloyed copper.

本品顆粒均勻細微狼友视频在线播放网，科學(xué)配方的一種粉劑亚洲欧美日韩视频一区，是青銅男人看的黄色网站、黃銅天天干天天碰小视频免费观看、合金銅焊接中作助熔劑作用。

The following eight products were awarded as"China National Quality Metallurgical Product Gold Cup", they are regular carbon steel plate, low alloyed plate, hull plate, Cr12 steel forgings,high precision sized tube,pre-stressed stranded wire and high qualified wire.

普碳板欧美日韩精品码免费专区、低合金板亚洲欧洲中文字幕视频在线观看、船板、CR12型鍛材精品一区二区三区无码视频、精密管99久强奸久久9毛片、鋼絞線和普碳盤條、優(yōu)線等8個產(chǎn)品獲國家冶金產(chǎn)品實物質(zhì)量金杯獎免费色色色色，熱軋帶肋鋼筋是國家產(chǎn)品質(zhì)量免檢產(chǎn)品另类日韩高清精品视频在线观看免费，線材是江西省重點保護產(chǎn)品。

It is showed that type and morphology of eutectic carbides can be controlled by combining alloyed elements.

結(jié)果表明黄色视频免费看在线网站，共晶碳化物的類型和形態(tài)能通過合金成分組合控制欧美日韩啊啊啊爽性爱激情。

The state of fracture matrix is studied. Toughness of pre-alloyed powder matrix is higher and evener than mechanics-mixed.

從斷口上分析了胎體的斷裂情況，預(yù)合金粉胎體為韌性斷裂婷婷操操b，而混合粉胎體為韌-脆斷口国内在拍视频在线播放。

The results show that the addition of certain manganese in high chromium cast iron leads to a re-partitioning of alloy elements between austenite and carbide and a dropping in equilibrium phase transformation temperature although it's inappreciable for the influence of manganese on mass fractions of every phase in this cast iron. There is about 87 percent ledeburite under thermodynamic equilibrium condition and 23 to 32 percent M7C3 type carbide under thermodynamic non-equilibrium condition in the microstructure of 3C-l5Cr-4Mn-0.75Si system high chromium cast iron. Furthermore, the improvement of austenite stability and hardenability of manganese alloyed high chromium cast iron may been expected because there is a substitution between manganese and chromium that has been suggested by thermodynamic calculations.

結(jié)果表明，錳雖然對高鉻鑄鐵中的各相數(shù)量影響不大欧美韩一区二区黄片，但一定數(shù)量的錳存在促使合金元素在奧氏體和碳化物兩相中的重新分配不卡日本免费网址，并降低平衡相的轉(zhuǎn)變溫度；在平衡條件下3C-15Cr-4Mn-0.75Si系高鉻鑄鐵中菜氏體數(shù)量約占87%欧美Va亚洲Va国产综合，而非平衡條件下M7C3型碳化物數(shù)量在23%-32%之間久久亚洲精品国产，且奧氏體中錳鉻互替現(xiàn)象保證了奧氏體的穩(wěn)定性和加錳高鉻鑄鐵的淬透性。

The results show that the addition of certain manganese in high chromium cast iron leads to a re-partitioning of alloy elements between austenite and carbide and a dropping in equilibrium phase transformation temperature although it＇s inappreciable for the influence of manganese on mass fractions of every phase in this cast iron. There is about 87 percent ledeburite under thermodynamic equilibrium condition and 23 to 32 percent M7C3 type carbide under thermodynamic non-equilibrium condition in the microstructure of 3C-15Cr-4Mn-0.75Si system high chromium cast iron. Furthermore, the improvement of austenite stability and hardenability of manganese alloyed high chromium cast iron may been expected because there is a substitution between manganese and chromium that has been suggested by thermodynamic calculations.

結(jié)果表明我不卡在线一区二，錳雖然對高鉻鑄鐵中的各相數(shù)量影響不大嫖妓视频，但一定數(shù)量的錳存在促使合金元素在奧氏體和碳化物兩相中的重新分配，并降低平衡相的轉(zhuǎn)變溫度丁香五月综合四月；在平衡條件下3C-15Cr-4Mn-0.75Si系高鉻鑄鐵中萊氏體數(shù)量約占87％h片免费网站，而非平衡條件下M7C2型碳化物數(shù)量在23％～32％之間，且奧氏體中錳鉻互替現(xiàn)象保證了奧氏體的穩(wěn)定性和加錳高鉻鑄鐵的淬透性h在线观看视频免费。

Most steel is normally electrically melted by a furnace or for high alloyed products a furnace for induction is used.

大多數(shù)鋼鐵通常是由一個電動熔化爐或合金產(chǎn)品的高感應(yīng)爐使用美日在线无码视频看看。

The results show that, there is a white zonal area between the AZ61 and Al-alloyed coating, which indicates that a good metallurgical bonding is obtained. The coating shows typical hypoeutectic structure. Due to lots of Mg17Al12 phases in Al-alloyed coating, the corrosion resistance of AZ61 magnesium alloy is increased obviously.

結(jié)果表明美国大片一级又大又粗的黑人，涂層與基體形成了擴散白亮帶，實現(xiàn)了較好的冶金結(jié)合欧美插插；涂層具有亞共晶組織的特點正在播放近国产乱伦；大量的Mg17Al12相存在于涂層表面是耐腐蝕性能提高的主要原因。

Through a series of quenching, tempering, tensile testing, low-temperature impact test and metallographic analysis, we ultimately came to the following conclusions:(1) low-carbon alloyed steel 20CrMn2NiMoV quenching at 870℃ and tempering at 200℃, whose structure contains tempered dislocation lath martensite and few small bainite under mixed, has the best obdurability;(2) Carbon Steel 45CrMn2NiMoV quenching at 850℃ and tempering at 620℃, whose structure is sorbitic, has a performance less than that of low-carbon Alloyed steel, but it can also meet the basic design requirements.(3) Mn can substitute for the role of Ni within limited extent.

通過一系列淬火欧美性爱手机、回火国产在线A∨、拉伸試驗、低溫沖擊試驗以及金相分析免费毛片在线永久播放，最終得出以下主要結(jié)論：（1）低碳合金鋼20CrMn2NiMoV經(jīng)870℃淬火+200℃回火婷婷精品国产精品亚洲，得到回火位錯型板條馬氏體+少量細小下貝氏體的混合組織，具有最佳的強韌性配合三级做a全过程在线观看视频；（2）中碳合金鋼45CrMn2NiMoV經(jīng)850℃淬火+620℃回火男女www视频在线看网站，得到回火索氏體組織，綜合性能雖然不及低碳合金鋼精选搞黄色视频的网站，但也能基本滿足設(shè)計要求中文精品日韩欧美在线播放；（3）Mn在一定程度上能夠替代Ni的作用，適量的Mn和Ni相互配合可以得到最佳的低溫韌性98精品视频在线，因此&以Mn代Ni&是低溫鋼材料研究開發(fā)中一條可行的適合我國資源狀況的合金化思路超碰人人99。