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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型磨损试验机研究了氧-乙炔焰镍基碳化钨喷熔层的磨粒磨损和抗咬合特性,并与硼化物层进行了比较。
- 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型磨损试验机研究了氧-乙炔焰镍基碳化钨喷熔层的磨粒磨损和抗咬合特性,并与硼化物层进行了比较。
- 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. 结果表明,磨损表层的硼化物中产生孪晶和层错,过渡区的铁素体中产生位错网,珠光体片层间距变小,部分渗碳体碎化。
- The boride layers on different carbon steels have been extracted by etching in 18% HCl water solution and observed under SEM. 采用盐酸溶液腐蚀方法直接举取不同碳钢表面的硼化物层,在扫描电镜下观察其立体形貌。
- The results showed that the boriding layer is even,and has less brittleness. 结果表明渗层组织致密、脆性低、硬度梯度平缓;
- Keywords Boride layer;Brittleness;Control;Polybasic boronizing; 硼化物层;脆性;控制;多元渗硼;
- The difference between tooth-like borided layer and lumpish or granular borided layer by means of wear compar... 结果表明:梳齿状渗层的耐磨性优于块粒状渗层的耐磨性,而块粒状渗层的耐蚀性却优于梳齿状渗层的耐蚀性。
- There isn’t an apparent rich carbon zone under boriding layer for low and middle carbon steels in microwave treatment. 微波渗硼的低、中碳钢渗层中没有明显宽度的富碳区。
- By examinations of metallograph, microhardness, X-ray diffraction, the author determines the boriding layer's microstructure and hardness curve. 该低温渗硼剂能较好地实现低温渗硼,渗硼层呈梳齿状,致密、疏松孔洞少,硼化物前沿没有明显的过渡区,也无明显的富碳区;
- Keywords Mechanical property;Surface technology;Boride layer;Yielding; 力学性能;表面处理;渗硼层;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. 结果表明:采用该渗硼剂可使钢件表面获得较好的渗硼层,且稀土可以提高渗层的质量。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- 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. 同时着重分析了这种“年轮”式生长特征与光镜组织中硼化物呈现出垂直于样品表面直插入基体的形态的相互关系。
- 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. 本文利用微波对某些吸收微波的物质具有特殊的加热作用和微波效应等特点来进行钢铁表面渗硼层的制备。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。