In this paper, 6013al / sicp / gr metal matrix composite ( mmc ) was produced by spray codeposition, by means of changing the medium of quenching, influence of five types of heat treatment system ( furnace cooling, air cooling, water quenching, dry ice quenching, liquid nitrogen quenching ) and different aging temperature on the damping was studied systematically
本文採用噴射共沉積方法制備了6013al sicp gr金屬基復合材料( mmc ) ,通過改變
淬火介質,較為系統地研究了五種
熱處理制度(爐冷、空冷、水冷、乾冰冷及液氮冷)以及不同時效溫度( 120 、 150 、 170 、 190及210 )對6013al sicp grmmc阻尼性能影響。
Sagging and creep of the compo ? nents occur during heat treatment as a result of improper support of components or warped hearth in the hardening furnace
當對部件支持不當或在爐床翹曲的
淬火爐中進行
淬火時,部件在
熱處理過程中會出現弧垂和蠕變現象。
Medium frequency induction heating equipment are used in metal melting, temperature keeping, diathermic technology, metal - heat processing brass soldering, quenching, tempering and sintering
中頻感應加
熱設備適用於各種金屬熔煉,保溫,透
熱,金屬
熱處理,釬焊,
淬火回火,燒結,釬絲鋼絲等。
Exercisable processes : heat treatment of work - pieces in the form of long pole, metal of strict distortion requirement and bad hardenability
實例:特別適合於長桿類型零件對變形要求嚴格且
淬透性不高的零件的
熱處理。
Heat treatment equipment high vacuum gas oil quenching oven
熱處理設備:高真空氣油
淬兩用爐
The difference of reactive mechanisminduced the difference of their structure. v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure. after heat - treating under300, particle size becomes smaller, and aggregate to globate grain, showesbetter electrochemical performance at low charge - discharge rate
熔融
淬冷法合成的樣品其無定型結構更明顯,前驅體經過300
熱處理后,材料的粒徑變細,團聚成球狀的顆粒,球狀特徵更顯著,在低倍率下具有較好的電化學性能。
He had seen them shape the knives from white-hot metal, temper them in cold water, then hone them to glistening sharpness.
他見到過他們把白
熱的金屬做成刀,在冷水裡
淬火,然後再把它們磨得鋒利鋥亮。
Induction heated oil tempered spring wire is a kind of new technical material which has been developed since 1980s. it can be heated by means of eddy induced into itself through electromagnetic coil and this method is mainly used in surface quenching. with correct designing and reasonable current frequency, induction coil and heat treatment process selected, as well as plc controlling applied, the wire can be uniform heated along cross - sectional and longitudinal direction and can be quenched and tempered continuously
應加
熱油
淬火-回火彈簧鋼絲,是二十世紀八十年代發展起來的新技術材料,在國外稱為itw induction heat oil tempered spring wire 。是通過線圈電磁感應鋼絲本身產生的渦流進行加
熱,通常主要用於表面
淬火。經正確設計,選擇電流頻率,合理的感應線圈及
熱處理工藝,並實施plc控制,可使鋼絲整個截面及長度上得到均勻加
熱,進行連續整體
淬火和回火。
Process features characteristic of induction heat oil tempered spring wire
感應加
熱油
淬火-回火線材特點
Abstract : the basic characteristics of hot _ isostatic press quenching method and its excellent performances on decreasing part deformation are described in this paper
文摘:敘述了
熱等靜壓
淬火方法的基本特點以及在減小零件變形方面的優良性能。
Abstract : the structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper. the result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase its quench - hardening ability, and raise its hardness and impact toughness
文摘:研究了一種復合鑄鐵磨球的組織和性能,結果表明,化學成分和
淬火工藝對這種復合鑄鐵磨球的組織和性能有很大影響,微量的硼和適量的銅可以明顯地提高磨球的
淬透性,經過余
熱淬火得到貝氏體或馬氏體基體組織,從而提高磨球的硬度和沖擊韌性。
Methods of measuring case depth for steel hardened by flame or induction hardening process
鋼的火焰加
熱淬火或感應加
熱淬火硬化層深度的測量方法
This paper analyzes and compares the ordinary heat treatment technology of q275 steel knuckle pivot pin with the quenching and backfiring technology
摘要分析、比較了q275鋼鉤尾銷普通
熱處理工藝與鍛
熱淬火回火工藝。
Actual practice shows that the heat forging and backfiring technology can remarkably improve the mechanical performance and consume less energy
通過實踐證明,採用鍛
熱淬火回火工藝后力學性能明顯提高,能源消耗顯著減少。
The structure size of mn wire after continuously imduction quenching is about 5 m grain size : 12. according to national standard zbj6001 - 88 microscopic inspection of
Mn鋼絲連續感應加
熱淬火組織尺寸約為5m晶粒度12級。
Application of short - time high - temperature quenching for 45 steel mould parts
短時高溫加
熱淬火在45鋼模具零件上的應用
Ansforging and tempering of steel
鋼的鍛造余熱淬火回火處理