This company has 2 lines for oxygen - free copper bar , 1 line for hypoxic copper bar , matched with copper bar workshop , workshop for various sizes of copper wires and workshop for fine copper wire 本公司现有无氧铜杆生产线2条，低氧铜杆生产线1条，配套有铜杆生产车间，各种规格铜线生产车间，细铜线生产车间。
Set up in 1991 , situated in the remarkable zhujiang river delta , is a professional enterprise specialized in production and sale of copper wire , oxygen - free copper bar and hypoxic bar , with the products sold well throughout the country 成立于一九九一年，地处人杰地灵的珠江三角宝地，是一间从事铜线无氧铜杆低氧杆的生产销售的专业化企业，产品畅销全国各地。
Oxygen - free copper serves as the cooler , the channels and the layers of which are cut and soldered into whole body by the conventional line - cutting and soldering techniques , so the difficulties and costs to fabricate the cooler were reduced 冷却器采用无氧铜材料及线切割和铅焊常规加工工艺，降低了冷却器加工难度及成本。实验研制的冷却器通道宽0 . 15mm 0 . 2mm ，深0 . 3mm 1mm 。
Considering the practical manufacturing condition , an oxygen - free copper microchannel heatsink consisting of five copper sheets is designed and fabricated utilizing the technology of deep photolithography , mechanical machining , and bonding with medium 根据实际制作条件，设计了五层结构微通道热沉，采用深层光刻分离曝光化学腐蚀技术、机械加工技术和铜直接粘接技术( dbc )制备出冷却大功率半导体激光器迭阵的无氧铜微通道热沉。
Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range . in addition , the difference ( w - 2u ) becomes greater with the increase of shock pressure , where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot 卸载路径的计算和分析表明：在所研究的压力范围，无氧铜的等熵卸载过程用gr neisen状态方程在_ 0 _ 0 =近似下的描述是适用的；卸载到一个大气压的终态粒子速度w与镜像反演的粒子速度2u的偏差，随冲击波压力的增加而增大。
Our main products are flexible 8 copper bar , 2 . 6 oxygen - free copper wire , 0 . 4 - 2 . 5 copper wire of various sizes , naked 0 . 08 - 0 . 3 copper wire and tinned wire , which meet the requirements of the clients of different aspects and different levels , especially in the recent years , the developed and introduced flexible 8 oxygen - free copper bar which adopts both electrolytic plate and shot copper as raw material , producing packable speedy draw0 . 08 copper wire with characteristics , smooth in appearance , free in burs , good in flexibility and good in drawing , appreciated very much by broad clients 主要产品包括8软态铜杆14低氧铜杆2 . 6无氧铜线0 . 4 - 2 . 5各种规格铜线0 . 08 - 0 . 3裸铜线镀锡线。满足各方面各层次客户的要求，特别近年开发引进8软态无氧铜杆，除可用电解板为原料外更可采用进口优质铜米为原料。生产可包高速拉伸0 . 08铜线，该产品具有外表光滑无毛刺柔软性好拉伸性能好等特点，深受广大客户欢迎。
Light gas gun was used to create shock pressure . staged samples , cuneiform window with aluminium coat on the reflecting surface and visar ( velocity interferometer system for any reflector ) were employed in the experiments . polymethyl methacrylate and ofhc copper were assembled as the impactor to impact staged samples 采用气炮加载，利用台阶样品、双点式visar ( velocityinterferometersystemforanyreflector )和镀膜楔形窗口技术，以有机玻璃和无氧铜组合为飞片，碰撞无氧铜台阶样品。
Lagrange wave speed in the release process was computed from the measurement , and result shows a good agreement with the data in literature . furthermore from the lagrange wave speed , the stress - strain relationship in the release process was calculated using the impedance match solution . comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release 根据界面粒子速度剖面，计算得到了卸载过程中lagrange声速随界面粒子速度变化的关系，所得结果与文献给出的数据符合很好；其次，利用阻抗匹配近似，计算分析了无氧铜卸载过程的应力-应变关系，并与流体弹塑性模型进行了比较，结果表明：无氧铜的卸载过程存在明显的应变硬化效应。
In the present dissertation , five commercial metallic materials ? tungsten alloy ( 93w ) , oxygen free copper ( ofc ) , titanium alloy ( tc - t ) , pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance , and their acoustic and mechanical parameters were measured . the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed 依据实现准等熵压缩和超高速发射对梯度飞片体系的理论要求，论文首先在一个较宽的波阻抗变化范围内，确定钨合金( 93w ) 、无氧铜( ofc ) 、钛合金( tc _ 4 ) 、工业纯铝( al )和镁合金( mb _ 2 )五种综合性能良好的金属和合金材料作为波阻抗梯度飞片的复合体系，并测量了材料的相关声学和力学参量。
Abstract : this paper introduces the choice and ramming of the refractories for the 12 t induction channel furnace ， which is one of the import production facilities for producing “ oxygen free ” copper wire by upward - leading continuous casting . the cost of home - made refractories is only 1 / 5 1 / 8 of that of import one . it is of benefit to all similar import furnaces that the domestic refractiones were successfully rammed and used 文摘:介绍了引进无氧铜杆上引法生产线中12t有芯感应炉炉衬耐火材料的选用和砌筑工艺；运行状况良好，整个材料费仅为进口同类材料的1 / 5 1 / 8 ；该熔铜炉炉衬的成功砌筑和使用，为其他同类炉子炉衬耐火材料的国产化提供了范例。
