排气门

本文介绍了气门的工作条件、正常失效及21-4N钢排气门强化热处理与层状析出的关系，分析了层状组织对其性能影响和21-4N钢排气门过载断头失效的原因。

The valve work condition and normal failure are studied in this paper . The heat treatment of 21-4N steel exhaust valve is related to the samdwich separated out . The samdwich affects the valve capability 21-4N steel exhaust valve fatigue fracture is caused by thermal overstress .

柴油机排气门由沿晶腐蚀引起的失效

Failure of Diesel Engine Exhaust Valve Caused by Intercrystalline Corrosion

Air（初三适用）排气门电镦缺陷成因及防治措施

Causes of Defect of Electric Upset Forging and Countermeasure for Exhaust Air Valve

HIP处理对TiAl基合金排气门组织和性能的影响

Effects of HIP Treatment on Microstructure and Properties of TiAl-based Alloy Exhausted Valve

阐述了TiAl基合金在汽车排气门和涡轮增压器上的应用情况。

Application of TiAl-base alloy in exhaust valves and turbochargers are dictated .

粉末冶金TiAl基合金排气门的研制

Development of Powder Metallurgy TiAl Base Alloy Exhaust Valve

文章研究了在不同的进气门和排气门最大开启点下，NOx和CO排放随气门正时变化的影响。

NOx and CO emission influenced with the change of valve timing at the different maximum opening points ( MOP ) of inlet and exhaust valve are studied in this paper .

利用GT-POWER软件研究了进排气门正时对柴油机性能的影响。

The effects of valve timing on diesel engine performance were investigated using GT-POWER code .

大功率XV柴油机排气门断裂分析

Fault Analysis on the Rupture of the Exhaust Valve of the High Power XV Diesel Engine

采用化学成分分析和宏、微观分析等方法对断裂的21-4N钢制排气门进行了分析。

The fracture of 21-4N exhaust valve was analyzed by macro examination and micro-analysis .

内部EGR是利用进排气门配气相位的变化，使发动机气缸内的残余废气量增加，达到降低最高燃烧温度和减小NOX排放的目的。

Internal EGR is the use of intake and exhaust valves with gas phase changes so that the residual gas inside the engine cylinder increased , lowering the maximum combustion temperature and reducing NO_X emissions purposes .

推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。

Schemes of variable compression ratio ( VCR ), variable exhaust gas recirculation ( EGR ), variable exhaust valve timing , and EGR with stratification by tumble charge flow are recommended .

经测试，TiAl基合金排气门及涡轮增压器转子的各项性能优良，表明TiAl基合金可成为未来高性能汽车发动机排气门和涡轮增压器转子的首选材料。

It is shown by tests that all performances of TiAl-base alloy exhaust valves and turbocharger rotators are fine , which indicates that TiAl-base alloy will be the preferred material for exhaust valves and turbocharger rotators of the future high performance automotives .

通过对模糊控制器的设计，计算出EQ6100汽油机在不同工况下的排气门提前开启角和进气门滞后关闭角的模糊控制值。

The fuzzy control values of the optimized exhaust lag angle and intake advance angle of the EQ6100 engine are calculated by designing the fuzzy controller .

这种凸轮轴使得当发动机活塞接近吸气行程下止点时，EGR凸轮使排气门略微开启，利用缸内较大的真空度将排气管中的废气吸入气缸，从而实现内部EGR。

This kind of camshaft makes EGR exhaust cam open the exhaust valve slightly when piston close to the bottom dead center in suction stroke , and then the large vacuum degree will suck the exhaust gas in exhaust pipe into the cylinder , in order to achieve internal EGR .

工况对发动机排气门失效的影响

Exploration on Work Condition to Failure mechanism of Engine Exhaust Valve

应用有限元素法分析柴油机排气门的蠕变问题

Creep Analysis of Diesel Engine Exhaust Valve by Finite Element Method

覆膜砂法在排气门座圈制造中的应用

The Door Trial-production of Exhaust Valve Seat Insert with Film-covering Sand

增压柴油发动机排气门盘部断裂分析

Failure Analysis on the Exhaust-valve Skirt Used in Supercharge Diesel Engine

适应于无铅汽油的自润滑高铬铸铁排气门座

Self-Lubricating High-Chromium Cast Iron Exhaust Valve Seats Help Using Unleaded Gasoline

排气门阀座成形模结构分析

The Structure Analysis on the Forming Die of Valve Seat Insert

排气门漏泄的故障仿真

The Door The Fault Simulation of the Leakage of Exhaust Valve

低速大功率智能化柴油机排气门系统的特性分析

Characteristics Analysis of Exhaust Valve System of Low-speed Intelligent Diesel Engine

6BT排气门颈部断裂原因分析与对策

Causes Analysis of Failure of bBT Exhaust Valve Neck and Countermeasure

发动机排气门座温度场与应力场有限元分析

FEA of Engine Exhaust-Valve Insert Temperature Field and Stress Field

激光熔敷技术在排气门和模具上的应用研究

Application of Laser Cladding Technology on Exhaust Valves and Hot Working Dies

排气门正时对柴油机冷起动性能的影响

Cold Startability of Diesel Engine Under Different Exhaust Valve Closing Timing Conditions

汽车发动机排气门座用镍基合金

Nickel Alloy Used in Automotive Engine Exhaust Valve Seat Insert

发动机排气门锥面局部出现麻坑的原因

Pitting Analysis of the Local Exhaust Valve Seat of Engine

本文就对柴油发动机排气门材料进行了简要的分析。

This paper briefly analyzed the material of diesel engine exhaust valve .