渗碳

In this paper, the effects of process parameter of brush copperplating on the copper film for prevention of carburization were studied; the relation between the time of carburization and the minimun thickness of copper film for prevention of carburization was established.

研究了用刷镀镀铜防渗碳时的工艺参数对镀层防渗碳效果的影响，及渗碳时间与防渗碳所需的最小镀层厚度之间的关系。

The surface heat processing man method has the flame hardening and induction heating the heat treatment, the commonly used heat source has oxyacetylene or flame, the induced current, the laser and the electron beam and so on oxygen propane and so on.

在渗入元素后再进行其它热处理工艺，比如淬火和回火。化学热处理的主要有渗碳、渗氮、渗金属的方法。

Based on allotropic transformation of ingot,the definition,strength performance and feature of the iron-carbon alloy basic phase(ferrite,austenite and carburizing) are analyzed on the iron-carbon alloy phase diagram .

在铁碳合金相图上直接从工业纯铁的同素异晶转变开始分析铁碳合金基本相铁素体、奥氏体和渗碳体的定义、力学性能、特点等，再用铁碳合金基本相和相图的规律来分析铁碳合金相图的点、线和各区域组织。

"Carburize:To treat, combine, or impregnate with carbon, as when casehardening steel ."

使渗碳，碳化：使与碳一起处理，使与碳混合或使充满碳，如将钢的表面粹火硬化。

According to the microalloying and strengthening and toughening principles of steel,a theoretical calculation method and optimum alloying design to determine titanium content in carbonizing steel were proposed.

根据钢铁材料的微合金化原理和强韧化原理，对广泛使用的含钛渗碳钢的钛含量进行了理论计算分析和优化设计，结果表明，适当降低钛含量，不影响其在渗碳过程中阻止奥氏体晶粒长大的作用，但可有效地减少或消除含钛渗碳钢中的液析氮化钛，从而提高钢材的力学性能。

To treat, combine, or impregnate with carbon, as when casehardening steel.

使渗碳，碳化使与碳一起处理，使与碳混合或使充满碳，如将钢的表面粹火硬化

To harden the surface of.To treat, combine, or impregnate with carbon, as when casehardening steel.

使渗碳，碳化使与碳一起处理，使与碳混合或使充满碳，如将钢的表面粹火硬化

The carbon potential in zones of II, III, IV and V is 1.00%, 1.15%, 0.90% and 0.90%, respectively. The temping temperature is 190 ℃, and the cycle of feed is 25min.

确定了最佳的热处理渗碳工艺参数为：Ⅰ区880℃；Ⅱ区900℃、碳势为1.00 %；Ⅲ区920℃、碳势为1.15%；Ⅳ区900℃、碳势为0.90 %；Ⅴ区835℃、碳势为0.90%；回火温度190℃，推料周期为25 分钟。

Lid on the three setsof water-cooled tubes have to enter the three tubes of gas rapid cooling,the role of muffle tank furnace pressure is to safeguard and ensure the normal carburizing,itmade fromheat-resistant steel,seepage carbon electric furnace equi-pped with cooling barrels were used to store the treated p-arts are also provided,sand covered up the closure groove.

炉盖上的三个管子都有水冷套，以便进入三个管子中的气体快速冷却，马弗罐的作用是维护炉压，保证渗碳的正常进行，它由耐热钢制成，渗碳电炉配有冷却桶，用来存放处理后的零件，捅盖处设有砂封槽。

Lid landing gear box body is formed with the motor gearbox. When the furnace cover needs opening , simply press the button in the control box then the furnace cover will descend at a uniform speed .For the sake of safety ,two movements institutions tops trip switch are mounted in the carburizing EAF .When the furnace cover is ascending , the lower movements institutions tops trip switch will automatically cut off the seepage carbon EAF control cabinet main circuit power supply, forcing the heating elements stop working since the power is cut off, The upper switch is used to restrict the height of the movements axis ,it can prevent the movements pumped up too high to cause theelevating screw abscisicing from the gear box.

炉盖升降机构由电机齿轮箱组成，当需要开启炉盖时，只需按下控制箱上的按组，炉盖即以均速上升下降，为了安全起见，在渗碳电炉升降机构上装设有两个行程开关，当炉盖上升时，下边的行程开关自动切断渗碳电炉控制柜主回路电源，使加热元件断电停止工作，上边的行程开关则限制升降轴升起的高度，以防升降抽升起过高，升降丝杆脱出齿轮箱。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。