The Pair of Hardness on Gear Teeth Surface in Design According to Equal - Contact Fatigue Strength

u6309u7b49 u63a5u89e6u75b2u52b3u5f3au5ea6u8bbeu8ba1u7684u9f7fu8f6eu9f7f u9762u786cu5ea6u914du5bf9

Indirect printing : Process where the printing surface is not in direct contact with the paper e.g. offset printing pad printing etc.

u76f4u63a5u7535u5b50u7167u50cfu5370u5237u673au95f4u63a5u5370u5237uff1a u5370u7248u5e76u4e0du76f4u63a5u4e0eu7eb8u5f20 u63a5u89e6u7684u5370u5237u65b9u6cd5u3002u4f8bu5982u67efu5f0fu5370u5237u3001u79fbu5370u7b49u3002

Electrical characteristic test and surface modification in Contact mode of STM using I-Z curve

u5229u7528I-Zu66f2u7ebfu7684STM u63a5u89e6u6a21u5f0fu7684u7535u5b66u6d4bu91cfu548c u8868u9762u6539u6027u7814u7a76

The friction between half metal friction materials and metals lies in the surface transmutation and adhesion in the contact area .

u534au91d1u5c5eu6469u64e6u6750u6599u4e0eu91d1u5c5eu5bf9u5076u7684u6469u64e6u8d77u6e90 u4e8e u63a5u89e6u533au9644u8fd1u7684 u8868u9762u5f62u53d8u548cu7c98u7740u3002

In the course of friction and wear the debris produced by M-UHMWPE and LLDPE transfer to the worn surface exits in the contact surface which act as anti-friction and wear-resisting agent .

u5728u6469u64e6u8fc7u7a0bu56dbu5dddu5927u5b66u891au9879Iu5b66u4f4du8bbau6587u4e2duff0cMu4e00UHMwPEu548cLLDPEu5411u78e8u64e6 u754cu9762u8f6cu79fbu4ea7u751fu7684u78e8u5c51 u5206u5e03 u4e8e u6469u64e6 u754cu9762uff0cu8d77u5230u4e86u51cfu6469u8010u78e8u5242u7684u4f5cu7528u3002

The rolling contact theory of three-dimensional elastic bodies with non-Hertz form is utilized to determine the normal pressure and tangential traction on the contact surface of wheels and rails in rolling contact .

u6839u636eu786eu5b9au7684u8f6eu8f68u63a5u89e6u51e0u4f55u53c2u6570u548cu8f6eu8f68u63a5u89e6 u754cu9762u4e4bu95f4u7684u8815u6ed1u7387uff0cu5229u7528u975eHertzu6edau52a8u63a5u89e6u7406u8bbau5206u6790u8ba1u7b97u4e86u9525u578bu8f6eu5bf9u548cu94a2u8f68u6edau52a8 u63a5u89e6u6591u4f5cu7528u529bu7684 u5206u5e03u3002

The control of flatness and surface roughness in cold strip rolling is a theory contact practical problem being the important factors in determining the quality of cold rolled strip flatness and control anneal felt .

u51b7u8f67u8584u677fu677fu5f62u548c u8868u9762u7c97u7cd9u5ea6u63a7u5236u662fu4e00u4e2au7406u8bba u8054u7cfbu5b9eu9645u7684u8bfeu9898u3002u5b83u65e2u662fu5173u4e8eu51b7u8f67u8584u677fu7684u677fu5f62u8d28u91cfu6c34u5e73uff0cu4e5fu662fu63a7u5236u9000u706bu7c98u7ed3u7684u91cdu8981u56e0u7d20u4e4bu4e00u3002

This metal surface placed in contact with the water will heat the water .

u8fd9u4e9bu91d1u5c5e u8868u9762u548cu6c34 u63a5u89e6uff0cu8fd9u6837u5c31u53efu4ee5u52a0u70edu6c34u3002

In this paper by using boundary element method and applying a load distributed according to Hertz law on tooth profile the contact stresses on surface and in body of a spur gear tooth near contact area have been calculated .

u672cu6587u5e94u7528u8fb9u754cu5143u65b9u6cd5uff0cu91c7u7528u5728u9f7fu5ed3u4e0au6309u8d6bu5179u5206u5e03u7684u8f7du8377uff0cu76f4u63a5u8ba1u7b97u4e86u5728 u63a5u89e6u533au9644u8fd1u9f7f u8868u9762u548cu9f7f u4f53u5185u7684u771fu5b9eu63a5u89e6u5e94u529bu3002

Fast Computation of Surface Deformation in Lubricated Contact

u6da6u6ed1 u63a5u89e6 u4e2d u5f39u6027u53d8u5f62u7684u5febu901fu6570u503cu8ba1u7b97

Then it is analyzed how to choose suitable element models and material types for dam concrete and abutment rock how to set up simulation model for abutment stability analysis and especially how to simulate slip surface in abutment with ANSYS contact model .

u63a5u7740uff0cu5bf9u62f1u575du575du4f53u6df7u51ddu571fu548cu575du80a9u5ca9u4f53u5e94u91c7u7528u7684u5355u5143u6a21u578bu548cu6750u6599u7c7bu578bu8fdbu884cu5206u6790uff0cu5efau7acbu4e86u62f1u575du575du80a9u7a33u5b9au7684u4effu771fu5206u6790u6a21u578bu3002u7814u7a76u4e86ANSYS u4e2du91c7u7528 u63a5u89e6u6a21u578b u5bf9u575du80a9u6ed1u52a8 u9762u8fdbu884cu6a21u62dfu7684u65b9u6cd5u3002

The relationship between workpiece ground surface colour and grinding temperature in contact zone has been established under strictly controlled experimental conditions .

u672cu6587 u5728u4e25u683cu63a7u5236u7684u5b9eu9a8cu6761u4ef6u4e0buff0cu5efau7acbu4e86u78e8u524a u5f27u533au6e29u5ea6u540cu8bd5u4ef6 u8868u9762 u70e7u4f24u8272u4e4bu95f4u7684u5bf9u5e94u5173u7cfbuff1b

Liquid fire also burn only when the surface of the liquid is in contact with the air .

u6db2u4f53u71c3u6599u4e5fu53eau6709 u5728u5176 u8868u9762 u63a5u89e6u7a7au6c14u65f6u624du4f1au71c3u70e7u3002

For the devices made from sintered Al electride the semiconducter surface concentration in the contact region between Al and Si is approximately 10 ~ ( 18 ) r / cm ~ 2 which has no distinct relationship with the original surface concentration .

u91c7u7528u70e7u7ed3u94ddu7535u6781u5de5u827au5f62u6210u7684u5668u4ef6uff0cu94ddu7845 u63a5u89e6u5904u534au5bfcu4f53 u8868u9762u6d53u5ea6u7ea6u4e3a10~uff0818uff09u4e2a/cm~3uff0cu4e0eu539fu59cbu8868u9762u6d53u5ea6u65e0u660eu663eu5173u7cfbuff1b

However the physiologic function of FR in adult tissues has largely remained a mystery since in addition to its narrow tissue distribution FR is predominantly expressed on the apical ( luminal ) surface of polarized epithelial cells where it is not in contact with circulating folate .

u7136u800cFRu5728u6210u4f53u7ec4u7ec7u7684u751fu7406u529fu80fdu4ecdu7136u672au77e5uff0cu9664u4e86u56e0u4e3aFRu7ec4u7ec7u5206u5e03u8303u56f4u7a84uff0cu8fd8u56e0u4e3au5b83u4e3bu8981u8868u8fbeu5728u6781u5316u4e0au76aeu7ec6u80deu7684u9876u90e8uff08u8154 u9762uff09uff0cu800cu90a3u91ccu4e0du4f1a u63a5u89e6u5faau73afu4e2du7684u53f6u9178u3002

Influence of lubricant on stress intensity factors of surface lean crack in rolling / sliding contact

u6da6u6ed1u6cb9 u5bf9 u63a5u89e6 u8868u9762u659cu88c2u7eb9u5c16u7aefKu56e0u5b50u7684u5f71u54cd

Effect of uneven surface on temperature distribution between wheel and rail in rolling contact

u8868u9762u4e0du5e73u987au5bf9u8f6eu8f68u6edau52a8 u6469u64e6u6e29u5ea6u573au7684u5f71u54cd

The amount of deformation and tooth contact line stress curves are extracted from the finite element calculation results . That is used to understand the contact stress distribution of the whole tooth surface in the process of contact . And the main areas of modification are determined .

u63d0u53d6u4e86u6709u9650u5143u8ba1u7b97u7ed3u679cu7684u53d8u5f62u91cfu3001u5168u9f7fu9762u63a5u89e6u7ebfu5e94u529bu66f2u7ebfu56feuff0cu4ee5u4e86u89e3u5168u9f7f u9762 u5728u6574u4e2a u63a5u89e6u8fc7u7a0b u4e2du7684u5e94u529bu5206u5e03u60c5u51b5uff0cu786eu5b9au4feeu5f62u7684u4e3bu8981u533au57dfu3002

When cartilage surface was involved in contact area corresponding contact stress and pore pressure presented a stale variation but fluid velocity and contact displacement were both influenced by contact pairs .

u5f53u8f6fu9aa8 u8868u9762 u5904u4e8e u63a5u89e6u533au57dfuff0cu5176u63a5u89e6u5e94u529bu3001u5b54u9699u538bu529bu6709u7740u7a33u5b9au7684u53d8u5316uff0cu6d41u4f53u901fu7387u548cu4f4du79fbu53d7u63a5u89e6u526fu7684u5f71u54cdu8f83u5927u3002

Disintegration greatly increases the drug 's surface area in contact with GI fluids thereby promoting drug dissolution and absorption .

u5d29u89e3u5927u5927u589eu52a0u4e86u836fu7269u4e0eu80c3u80a0u6db2u7684 u63a5u89e6 u8868u9762u79efuff0cu4eceu800cu4fc3u8fdbu836fu7269u7684u6eb6u89e3u548cu5438u6536u3002

Surface Corrosion in damp air of the bimetal electrical contact rivet head ( Ag-CdO / Cu ) used in low voltage electric apparatus was studied in this paper .

u7814u7a76u4e86u6f6eu6e7fu5927u6c14u5bf9u4f4eu538bu7535u5668u7528 u94c6u9489 u89e6u5934uff08Ag-CdO/Cuuff09 u8868u9762u7684u8150u8680u884cu4e3au3002

The Way How to Find Contact Surface in the Contact Analysis

u63a5u89e6u5206u6790 u4e2du4e00u79cdu786eu5b9au63a5u89e6 u9762u7684u65b9u6cd5

Workpiece surface laser micro-machining burrs when two solid surfaces in contact the actual contact part account for only a very small area of apparent specific gravity .

u5de5u4ef6 u8868u9762u6fc0u5149u5faeu52a0u5de5u540eu4ea7u751fu6bdbu523auff0cu5f53u4e24u56fau4f53u8868u9762u76f8 u63a5u89e6u65f6uff0cu5b9eu9645u76f8u63a5u89e6u90e8u5206u53eau5360u8868u89c2u9762u79efu975eu5e38u5c0fu7684u6bd4u91cdu3002

Used to protect surface of refractory materials in direct contact with aluminum liquid such as runners and spilt coil or protect various steel tools in direct contact with aluminum or zinc liquid .

u7528u4e8eu4fddu62a4u4e0eu94ddu6db2u76f4u63a5 u63a5u89e6u7684u6d41u9053u3001u5206u6d41u76d8u7b49u8010u706bu6750u6599 u8868u9762uff0cu4e5fu53efu7528u4e8eu4fddu62a4u4e0eu94ddu6216u950cu6db2u76f4u63a5u63a5u89e6u7684u5404u7c7bu94c1u5236u5de5u5177u3002

It is in this model that the influence of lubricant on stress intensity factors of surface initial fatigue lean crack in rolling / sliding contact has been analyzed through using the collapsed 8 node quadrilateral isoparametric elements and numerical extrapolated method .

u5229u7528u8be5u6a21u578buff0cu901au8fc7u4f7fu7528u57fau4e8eu8715u5316u5947u5f02u7b49u53c2u5143u548cu6570u503cu5916u63d2u6cd5u7684Ku56e0u5b50u8ba1u7b97u65b9u6cd5uff0cu5206u6790u4e86u6edau6ed1u52a8 u63a5u89e6u5de5u51b5u4e0bu6469u64e6u53cau6cb9u538bu5bf9 u8868u9762u659cu88c2u7eb9u5c16u7aefu5e94u529bu5f3au5ea6u56e0u5b50uff08SIFuff09u7684u5f71u54cdu3002

On the Surface Dimple Phenomena in Thermal Elastohydrodynamic Lubrication Elliptical Contact

u70edu5f39u6d41u6da6u6ed1u692du5706 u63a5u89e6 u533a u5185 u8868u9762u51f9u9677u73b0u8c61u7684u7814u7a76

But the surface quality and deep drawability of product should be improved . Research shows that the surface quality and deep drawability should be in close contact with texture .

u4f46u662fu4ea7u54c1u7684u8868u9762u8d28u91cfu548cu6df1u51b2u6027u80fdu6709u5f85u4e8eu63d0u9ad8uff0cu7814u7a76u8868u660e u8868u9762u8d28u91cfu548cu6df1u51b2u6027u80fdu90fdu4e0eu7ec7u6784u6709u5bc6u5207 u8054u7cfbu3002