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- Abstract: The abrasion and scuffing behaviour of Ni-base spray-welded coating containing WC by oxygen-acetylene was studied and compared with those of boride layer using a MM200 wear tester. 文摘:利用MM200型磨損試驗機研究了氧-乙炔焰鎳基碳化鎢噴熔層的磨粒磨損和抗咬合特性,并與硼化物層進(jìn)行了比較。
- The abrasion and scuffing behaviour of Ni-base spray-welded coating containing WC by oxygen-acetylene was studied and compared with those of boride layer using a MM200 wear tester. 利用MM200型磨損試驗機研究了氧-乙炔焰鎳基碳化鎢噴熔層的磨粒磨損和抗咬合特性,并與硼化物層進(jìn)行了比較。
- Result shows: there are twin in the boride layer and dislocation network in ferrite of the trasitional region; distance between lamellae of pearlite is reduced and some cementites are broken. 結果表明,磨損表層的硼化物中產(chǎn)生孿晶和層錯,過(guò)渡區的鐵素體中產(chǎn)生位錯網(wǎng),珠光體片層間距變小,部分滲碳體碎化。
- The boride layers on different carbon steels have been extracted by etching in 18% HCl water solution and observed under SEM. 采用鹽酸溶液腐蝕方法直接舉取不同碳鋼表面的硼化物層,在掃描電鏡下觀(guān)察其立體形貌。
- The results showed that the boriding layer is even,and has less brittleness. 結果表明滲層組織致密、脆性低、硬度梯度平緩;
- Keywords Boride layer;Brittleness;Control;Polybasic boronizing; 硼化物層;脆性;控制;多元滲硼;
- The difference between tooth-like borided layer and lumpish or granular borided layer by means of wear compar... 結果表明:梳齒狀滲層的耐磨性?xún)?yōu)于塊粒狀滲層的耐磨性,而塊粒狀滲層的耐蝕性卻優(yōu)于梳齒狀滲層的耐蝕性。
- There isn’t an apparent rich carbon zone under boriding layer for low and middle carbon steels in microwave treatment. 微波滲硼的低、中碳鋼滲層中沒(méi)有明顯寬度的富碳區。
- By examinations of metallograph, microhardness, X-ray diffraction, the author determines the boriding layer's microstructure and hardness curve. 該低溫滲硼劑能較好地實(shí)現低溫滲硼,滲硼層呈梳齒狀,致密、疏松孔洞少,硼化物前沿沒(méi)有明顯的過(guò)渡區,也無(wú)明顯的富碳區;
- Keywords Mechanical property;Surface technology;Boride layer;Yielding; 力學(xué)性能;表面處理;滲硼層;屈服;
- The results show that the better boronizing layer on the surface of steel can be obtained by using the boronizing supply agent,and RE can improve the quality of boriding layer. 結果表明:采用該滲硼劑可使鋼件表面獲得較好的滲硼層,且稀土可以提高滲層的質(zhì)量。
- Oxygen enters into many compound bodies. 氧是許多化合物的組成部分。
- This paper also discussed the relationship between the“tree-wheel”growing mode and the common boriding layer form which is at a right angle to the surface of sample. 同時(shí)著(zhù)重分析了這種“年輪”式生長(cháng)特征與光鏡組織中硼化物呈現出垂直于樣品表面直插入基體的形態(tài)的相互關(guān)系。
- In this paper, the special heat and microwave effect of microwave to some materials absorbing it were utilized to prepare the boriding layer on the surface of steels. 本文利用微波對某些吸收微波的物質(zhì)具有特殊的加熱作用和微波效應等特點(diǎn)來(lái)進(jìn)行鋼鐵表面滲硼層的制備。
- Air is a mixture, not a compound of gases. 空氣是氣體的混合物,不是化合物。
- Rose is a plant with compound leaves. 玫瑰是復葉植物。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是個(gè)復合字。
- This layer of rock contains a lot of flint. 這一巖層中有大量燧石。
- Common salt is a compound of sodium and chlorine. 食鹽是鈉和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那個(gè)大院里。