燒結硬度 的英文怎麼說
中文拼音 [shāojiēyìngdù]
燒結硬度
英文
sinter hardness-
The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads
本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的界面特性，並在此基礎上以不同尺寸（ 42 362 m ）的鑄造碳化鎢顆粒為增強體，採用真空熱壓液相燒結技術制備了不同顆粒含量（ 0 45vol . ）的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料；以不同粒度的sic為磨料，在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings
對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明：基於弧焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性激光燒結工藝成形件，達到或高於鑄造零件。It has a good high tenperature flow ability short setting time, rignersintered strcngth and high corrosion resistance
該產品具有良好的高溫流動性，較短的硬化時間，較高的燒結強度優質的耐侵蝕性能。In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied
研究路線為：選用納米級al _ 2o _ 3陶瓷顆粒作為增強相，在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆，採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料，研究分析復合材料的成分、組織結構、硬度以及緻密度，對試樣進行了干滑動摩擦磨損實驗。Sintered metal materials, excluding hardmetals. determination of transverse rupture strength
除硬質合金外的燒結金屬材料.橫斷裂強度的測定Study on the coated cemented carbide with gradient structure by a special sintering technology
一種特殊燒結技術對梯度結構硬質合金性能影響的研究Results of the experiments showed that the wear mechanisms of the sintered steel included abrasive wear, adhesive wear and fatigue wear, and it was the abrasive wear most important. it was the sintered steel mixed by ni, mo that was the best on the wear resistance, because of the great lot of bainite ; the sintered steel quenched and low temperature tempered mixed by mo, w that was the best on the wear resistance, because of the rigidity of the steel was the highest
實驗結果表明：本文中幾種燒結鋼的磨損機制均是由磨粒磨損、粘著磨損、和疲勞磨損共同作用的，且以磨粒磨損為主；在燒結態下，復合添加合金元素鎳、鉬的燒結鋼的耐磨性能最好，這是因為生成了大量的硬質相貝氏體；而淬火、低溫回火態下，則復合添加鉬、鎢的燒結鋼的耐磨性能最好，這是因為熱處理態下添加鉬、鎢的燒結鋼的硬度最高。Otherwise, sic can strengthen the samples by its pinpoint effect. the results also showed that the hardness of samples rise with the increase of sic, but the densities decline
Sic的加入，增大了（ zro2 ） al2o3復合材料的硬度，但降低了材料的燒結活性，使燒結體的緻密度下降，材料的強度和韌性也有所下降。Powder metallurgy. sintered metal materials, excluding hardmetals. determination of hardness. part 3 : sintered products hardened on a surface by other treatments than in nf a 95 - 321 - 2
粉末冶金.硬質合金除外的燒結金屬材料.硬度的測定.第3部分:除在nfa 95 321 - 2中表面硬化處理以外的燒結產品Sintered metal friction materials - determination of apparent hardness
燒結金屬摩擦材料表觀硬度的測定It is these particles that can change nitriding layer microstructure and that accelerates the layer formation. nitrogen is infiltrated through the surface of metals and it changes the chemical components. as a result, the surface of metal has good performance with high hardness, high resistant attrition, high fatigue strength, high resistant erode and resistant die burn
這些高能粒子可以改變滲層組織，結構和促進化學反應過程，加速滲層形成，使氮元素滲入金屬表面，從而改變金屬表面的化學成分，使之具有高硬度、高耐磨性、高疲勞強度、高腐蝕能力及抗燒傷性。( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal
（ 3 ）針對採用大功率激光直接燒結鎳基高溫合金成形金屬零件存在的問題，如較大的殘余應力，製件中存在著微裂紋、微孔洞等缺陷，初步提出掃描路徑的規劃，並採用幾種不同的掃描方式進行燒結試驗，發現採用短邊掃描路徑和同向掃描能夠獲得更加細小和分佈均勻的組織結構，採用短邊同向路徑制備的試樣其顯微硬度最高，而採用變向掃描（垂直）路徑制備的試樣緻密性最好。Sintering or friction all brought about chemical change in the surface of solid lubricant and the change of valen ce state of mo, s, fe and so on ; the micro - hardness of pure ptfe was minimum and the surface - hardness of solid lubricant was increased with the increase of additional packing filler in formula ; the compressive strength of pure ptfe was minimum and its compressive strength could be increased notably by adding organic and inorganic filler. but not more additional amount, more notable increase of compre
、 feso4 、 cus等物質;燒結及摩擦均使固體潤滑劑表面發生化學變化，使mo 、 s 、 fe等元素的價態發生變化;純ptfe的顯微硬度最低，固體潤滑劑的表面硬度基本是隨著填料加入量的增加而增加的;純ptfe的抗壓強度最低，在ptfe樹脂中加入無機填料均可明顯提高其抗壓強度，但並不是加入量越多，抗壓強度提高越明顯。Powder metallurgy. sintered ferrous materials, carburized or carbonitried. determination of effective case depth by the vickers microhardness testing method
粉末冶金.滲碳或碳氮共滲燒結黑色金屬材料.用維氏顯微硬度測定法確定有效滲碳層的深度At the base of participating in the system design and debug of the dy - 500 hip - sinter low - pressure and vacuum sinter stove which is investigated by the zigong horniness - alloy ltd. this paper conclude the practice and work, according to the sense and the embed analysis, this paper including : aim at hip - sinter stove, analyse technics principle of the dewaxing, the vacuum sintering and the hot isostatic pressing by low pressure
在參與自貢硬質合金有限責任公司研製的dy - 500型低壓真空燒結爐自動控制系統設計和調試的基礎上，本論文對實踐工作進行了總結與提高。根據現場經驗和深入分析，論文的主要內容有:針對低壓真空燒結爐，分析脫蠟、真空燒結、低壓熱等靜壓工藝原理，並論述了溫度、真空度、壓力三個主要因素對生產過程的影響。Powder metallurgy method was used to produce bn / cnts contained al - based alloys. bn / cnts and al powder were mixed by ball milling, and then pressed at 1gpa to disks. the pellets were heated at 700, 800, 900 respectively for 1 hour in inert gases
採用粉末冶金的方法，將鋁粉與bn粉和（或）碳納米管在惰性氣體保護下球磨，然後將粉末在1gpa下壓片，在惰性氣體保護下分別在600 ， 700 ， 800 ， 900燒結1小時，產物經xrd ， dta （ differentialthermalanalysis ） ，並測量顯微維氏硬度。Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading
鑄造燒結時，過熱鐵水的巨大熱流密度沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速度大大提高，此時屬瞬間液相燒結，在十幾分鐘內燒結過程即可完成，可達到很高的緻密化程度。 （ 6 ）鑄態下vc一fe表面復合材料具有很高的硬度，其鑄態硬度） 60hrc 。Standard specification for steel, sheet, cold - rolled, carbon, structural, high - strength low - alloy, high - strength low - alloy with improved formability, solution hardened, and bake hardenable
冷軋碳鋼結構鋼高強度低合金鋼和可成形性提高的高強度低合金鋼固溶淬火和可燒固硬化薄板的標準規范Ab sandvik coromant, one of the larger being of sandvik tooling, is the international leader in development, production and marketing of tools using cemented - carbide, ceramics and extremely hard materials such as diamond and cubic boron nitride for metal - cutting applications
山特維克可樂滿刀具公司是山特維克刀具公司子公司中較大的一個，山特維克可樂滿刀具公司在開發、生產和銷售利用燒結硬質合金、陶瓷及高硬度材料如：金剛石及立方碳化硼做金屬切削用刀具及刀具系統領域處於世界領先地位。Physics capability such as density, conduct and mechanics capability such as tensile strength, hardness and stretch ratio were tested during technical course. photograph analysis and empa analysis were carried out. the influence factor on materials physics and mechanics capability were investigated, which induced by powders synthesis technique, pressure and sinter temperature
在制備銅基復合材料的工藝過程中，對材料進行密度、電導率等物理性能和抗拉強度、布氏硬度、延伸率等力學性能的測試，進行金相分析和empa分析，研究了粉末合成工藝、壓制壓強、燒結溫度等對材料物理、力學性能的影響，探索了材料密度、布氏硬度、電導率、抗拉強度、延伸率等之間的關系。分享友人