Substituting compound mineral of natural siliceous lime and sepiolite for asbestos in brake friction lining can improve all performances of product.
以天然硅石灰和海泡石复合矿物代替石棉作为增强材料制备无石棉汽车制动摩擦片，可提高产品的各项性能。
2
It is a compound contact problem of rolling bearings dynamic contact combined of multi-body contact, friction, sliding, material nonlinearity, geometric nonlinearity.
滚动轴承的动力学接触包含了多体接触、滑动、摩擦、几何非线性、材料非线性、边界非线性的复合接触问题。
3
There were developed asbestos free high friction coefficient composition brake pads made of poly compound adhesive agent, hybrid fiber and special fillings.