表層硬度 的英文怎麼說
中文拼音 [biǎocéngyìngdù]
表層硬度
英文
case hardness- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 硬 : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 表層 : skin layer; superficial coat; veneer; surface; sexine; bloom; supercrust; surface layer表層沉積 [...
- 硬度 : hardness; solidity; scirrhosity (腫瘤的)
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Comparison tests were made to the primary and secondory detonations and the same quantities of the same explosives, and found that both the surface rigidity and the depth of the induration layer have been improved obviously by the use of secondary detonation
同時對同種炸藥相同藥量分兩次爆炸與一次爆炸的效果進行比較,發現採用二次爆炸要比一次爆炸無論表面硬度,還是硬化層深度都有明顯改進。Rubber or plastics covered rollers - method of test - determination of apparent hardness by the pusey and jones method
橡膠或塑料塗層的輥子.第3部分:試驗方法.第3節:採用普西和瓊斯法測定表面硬度Methods of test for screed materials - determination of surface hardness
找平層材料的試驗方法.表面硬度的測定The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。The studies indicated that the rigidity of the copper billet was enhanced a lot with different pressure and different forms of pressure, and by the obvertion of the microscopic structure, we find that the aluminizing formations had different thickness with different pressure
研究結果表明:對不同壓制壓力下及不同壓制方式的純銅滲鋁后,銅坯的硬度得到很大的提高,對顯微組織觀察可知,在不同壓力下滲鋁其滲層厚度明顯不同。It is common considered that the more the half width is high, the more its hardness is based on the fact that the half high width of the shot peening affected layer in hard state decreases many scholars engaged in investigation of shot peening technology proposed that the shot peening affected layer is work softened
許多從事噴丸研究的學者從硬狀態材料噴丸影響層半高寬減小的實驗事實提出噴丸影響層發生了「加工軟化」的觀點,實驗選用超高強度鋼為實驗材料,對其不同硬度的實驗結果發現,噴丸使硬狀態表面的半高寬大幅度減小,但使它們的表面屈服強度得到了提高。According to some workpieces ' usage demands of the rough degree on the surface of hand chromium plating, through a serial of experiments, we have satisfied the requirements of the using workpieces ' hard chromium layer ' s consistence and rough degree through adding sand - blast treating to the workpieces ' which are not dealt after polishing and adopting some effective control ways to the plating frock and craft, thereby carrying out plating hard chromium like pear ' s skin
摘要根據某些工件對電鍍硬鉻層表面粗糙度的使用要求,經過一系列的試驗,通過機件毛坯拋光后增加噴砂處理及時電鍍工裝、工藝採用一些有效的控制手段進行電鍍梨底硬鉻,滿足了工件使用中對硬鉻層硬度和粗糙度的要求。The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar
研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響,結果表明,選用變質高碳無鈷高速鋼作外層,用球鐵作內層,選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度,結合採用表面感應熱處理工藝,可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環,用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation
結果表明:在多沖載荷作用下,應力波在塗層和基體的冶金接合面發生反射,形成拉伸波造成塗層的縱裂和角裂;在塗層表面由於應力集中,塗層表面發生微觀點蝕和深層剝落;沖擊載荷能量的積累,造成塗層試樣硬度變化和塑性變形。Thermal sprayed metallic coatings - rockwell hardness test
金屬熱噴塗層表面洛氏硬度試驗方法Measuring case depth for steel
鋼表層硬化深度測定法The results indicated that discontinuity of micro structure of work layer caused by in. homogeneous distribution of chemical composition, different pattern of carbide, mhomogeneity of hardness lead to large area of spalling and frther scrapping of roll
結果表明,化學成分的不均勻分佈,造成軋輥輥身工作層組織不連續、碳化拘形態各異使輥身工作層硬度不均勻,產生大面積剝落,最終導致軋輥報廢。Meanwhile, the fracture was accelerated due to the uneven surface hardness and the unreasonable distribution of the hardening layer on the crankshaft, and the bad lubrication condition in service
同時軸左頸表面硬度不均勻、淬硬層分佈不甚合理,工作過程中潤滑條件差,加速了曲軸的斷裂。Methods of test for screed materials - part 6 : determination of surface hardness
找平層材料試驗方法.第6部分:表面硬度測定The coating could be sprayed directly on the wearing surface of anodized aluminum alloy and formed anti - wear layer with high surface hardness and excellent corrosion resistance
膜層硬度高、耐磨性好,具有較優良的綜合性能,解決了表面修復的難題。Surface hardness of pet increases obviously by c implantation / deposition due to formation of hard layers while wear - resistance may be improved with nitrogen incorporation
C沉積膜層的硬度、彈性模量較基體顯著提高。 c注入在pet表層形成一硬質層,表面硬度大幅提高。With the hardness tests, it is indicated the hardness of the nano alumina or nano silicon carbide coating is improved to 1. 6 - 2. 5 times as that of the plasma spraying coating. with the wearing tests, it is indicated that low laser power employed, the wearing performance of the coating without nano material increase to 1. 3 times as that of the plasma coating, at the same time, the wearing performance of the coating with nano material increase 2. 3 - 6 times as that of the plasma spraying coating, the wearing mechanism is further analyzed. with the erosion tests, it is indicated that the erosion performance of the coating with nano material increase five times as that of the plasma spra
與相應等離子噴塗層相比,硬度測試表明,含納米al _ 2o _ 3或sic的各種復合塗層硬度提高了0 . 6 - 1 . 5倍左右;耐磨性測試表明,小功率下單純的激光重熔耐磨性提高了30 ,而納米滲入后塗層的耐磨性提高了1 . 3 - 5倍左右,對耐磨性提高的機理作了進一步的探索和分析研究;耐蝕性測試表明,經激光熔覆納米滲入后的各種塗層耐蝕性能提高了4倍以上,同時塗層厚度、表面質量對腐蝕性能有影響。The technique of fleet electricity deposited cr layer in die was introduced, which can make up performance defects of die material in increasing performance of die such as hardness and resistance to wear
摘要介紹了工件表面快速電沉積硬鉻層及採用感應加熱使硬鉻層鉻元素向基體擴散,以提高工件表面硬度和耐磨性。Rubber or plastics covered rollers - requirements - specification for apparent hardness
有橡膠或塑料塗層輥子.要求.表觀硬度規范Irhd rubber or plastics covered rollers - method of test - determination of apparent hardness irhd method
橡膠或塑料塗層的輥子.試驗方法.表觀硬度測定分享友人