C86800 C87200銅帶沖壓零件專用

采用傳統(tǒng)Tafel 擬合計(jì)算得出腐蝕速率。與未微合金化的錳黃銅相比，鋯微合金化的錳黃銅腐蝕速率降低了74.5%，說(shuō)明其電化學(xué)耐蝕性更好。

摩擦磨損性能?

通過(guò)錳黃銅在室溫下的濕摩擦系數(shù)隨磨損時(shí)間變化曲線可以看出，未合金化和鋯微合金化的濕摩擦系數(shù)變動(dòng)幅度均較小，都有較優(yōu)的耐磨性能。但是鋯微合金化的錳黃銅具有更低的平均摩擦系數(shù)(0.0254)，與未合金化的錳黃銅(0.0315)相比降低了19.3%。

通過(guò)錳黃銅的磨痕形貌可以看出，摩擦后的表面特征有如下幾點(diǎn)：

①沿滑動(dòng)方向上存在著明顯的犁溝，犁溝深且多；

②犁溝旁邊均出現(xiàn)了部分承載面。說(shuō)明該區(qū)域在摩擦力的作用下發(fā)生了塑性變形，但沒(méi)有發(fā)現(xiàn)裂紋，表明無(wú)脆性斷裂現(xiàn)象 [3]? 。

力學(xué)性能?

Please read below on the wished for trade-name in the left hand column, and get it translated into LM-language on the right-hand

column. The right hand column with our name is either identical in composition or a fully replaceable alloy with only minor

differences. The column in the middle states the norm and its country of origin.

With no marks in front of LM’s alloy = alloy is identical, with this sign “~” = alloy is very similar, fully replaceable.

Product name Country of origin LM’s trade name by or order/inquiry

CW 106 C? CEN / EU-norm? W340 (Cu Cr Zr),Cromium Copper w.

Zirkonium

CW 111 C CEN / EU-norm? ~W200 (Cu Ni Cr Si) eg. Cu Ni2 Si