Study on the Surface Oxidation Phenomenon of the AISI 304 Stainless Steel by Nd : YAG Pulsed Laser Melting

Nduff1aYAGu8109u51b2u6fc0u5149u7194u51ddAISI304u4e0du9508u94a2 u8868u9762 u6c27u5316u73b0u8c61u7684u7814u7a76

The oxidation process of GaAs surface induced by ultraviolet light was systemically investigated for the first time . The effects of the reaction atmosphere the UV intensity the distance between sample and UV source and supplementary ozone enhance apparatus on GaAs surface oxidation were quantitatively investigated .

u9996u6b21u7cfbu7edfu5730u7814u7a76u4e86u7d2bu5916u5149u6fc0u53d1u4e0buff0cu53cdu5e94u6c14u6c1bu3001u7d2bu5916u5149u6e90u5f3au5ea6u3001u6837u54c1u4e0eu5149u6e90u8dddu79bbu3001u8f85u52a9u81edu6c27u589eu5f3au88c5u7f6eu7b49u5bf9u7837u5316u9553 u8868u9762 u6c27u5316 u53cdu5e94u7684u5f71u54cduff0cu5e76u5bf9u7837u5316u9553u8868u9762u7684u6c27u5316u53cdu5e94u8fc7u7a0bu8fdbu884cu4e86u8f83u6df1u5165u7684u63a2u8ba8u3002

The Ways to Increase the Recovery Rate of Gold Leaching From Heap Leaching of the Earth 's Surface Oxidation Ore in Jinshan Gold Mine

u63d0u9ad8u91d1u5c71 u5730u8868 u6c27u5316u77ffu5806u6d78u91d1u6d78u51fau56deu6536u7387u7684u63aau65bd

And the technique for surface oxidation treatment of carbon fiber was determined .

u7814u7a76u4e86 u6db2 u76f8 u6cd5 u6c27u5316u5904u7406u78b3u7ea4u7ef4 u8868u9762u7684u5de5u827au3002

Research on Hard Discs Maintenance and Information Security Development Properties of Surface Oxidation Film in CMP of Computer Hard Disk Substrate

u8ba1u7b97u673au786cu76d8u7ef4u62a4u4e0eu4fe1u606fu5b89u5168u5f00u53d1u6280u672fu7814u7a76u8ba1u7b97u673au786cu76d8u57fau7247CMPu4e2d u8868 u9762u819cu7279u6027u7684u5206u6790u7814u7a76

Surface oxidation film of Mg alloy casting in dry graphite silica sand mold was analyzed by XPS . The constituent and structure of surface oxidation film were discussed .

u5229u7528XPSuff08Xu5c04u7ebfu5149u7535u5b50u80fdu8c31uff09u5bf9u9541u5408u91d1u77f3u58a8u7802u578bu94f8u9020u65f6u7684 u8868u9762 u6c27u5316u819cu8fdbu884cu4e86u5206u6790uff0cu63a2u8ba8u4e86u8868u9762u6c27u5316u819cu7684u7ec4u6210u4e0eu7ed3u6784u3002

However the preheating temperature should not be too high so as to avoid matrix effects of surface oxidation and surface coating and the substrate bonding strength .

u4f46u9884u70edu6e29u5ea6u4e0du5b9cu8fc7u9ad8uff0cu4ee5u514du5f15u8d77u57fau4f53 u8868u9762 u6c27u5316u800cu5f71u54cdu6d82u5c42u4e0eu57fau4f53u8868u9762u7684u7ed3u5408u5f3au5ea6u3002

Surface oxidation treated aluminum alloy makes the machine sanitary sturdy and durable .

u91c7u7528u94ddu5408u91d1u7ed3u6784 u8868u9762 u6c27u5316 u5904u7406uff0cu536bu751fu5b89u5168uff0cu575au56fau8010u7528u3002

The surface oxidation of strips was investigated in order to study the influence of hot-rolling lubrication on the surface quality .

u4e3au7814u7a76u70edu8f67u6da6u6ed1u5bf9u677fu5e26u94a2u70edu8f67u540eu8868u9762u8d28u91cfu7684u5f71u54cduff0cu5bf9u4e0du540cu6da6u6ed1u6761u4ef6u4e0bu677fu5e26u94a2u70edu8f67u540e u8868u9762 u6c27u5316u60c5u51b5u8fdbu884cu4e86u89c2u5bdfu7814u7a76u3002

The relation between friction coefficient and temperature will vary owing to the different state of surface oxidation ;

u6469u64e6u7cfbu6570u4e0eu6e29u5ea6u4e4bu95f4u7684u5173u7cfbu56e0 u8868u9762 u6c27u5316u72b6u6001u4e0du540cu800cu53d8u5316uff1b

Reaction mechanism of the surface oxidation for pyrrhotite was studied by using cyclic voltammetric measurements .

u901au8fc7u5faau73afu4f0fu5b89u66f2u7ebfu6d4bu91cfuff0cu9610u660eu4e86u78c1u9ec4u94c1u77ff u8868u9762 u6c27u5316u7684u673au7406u3002

Cytotoxity of nickel-titanium shape memory alloys following surface oxidation

u8868u9762 u6c27u5316u954du949bu5f62u72b6u8bb0u5fc6u5408u91d1u7684u7ec6u80deu6bd2u6027

As the nano silver particle is encapsulated by gluconic acid there was no surface oxidation as confirmed by XPS studies .

u901au8fc7u5149u7535u5b50u80fdu8c31u540cu6837u53efu4ee5u786eu5b9au7531u4e8eu7eb3u7c73u94f6u9897u7c92 u8868u9762u88abu8461u8404u7cd6u9178u5305u88f9u5728u91ccu9762uff0cu7eb3u7c73u94f6u5c31u4e0du4f1au88ab u6c27u5316u3002

By carbon fiber ( CF u2032 s ) surface oxidation treatment not only the interface condition of fiber enhanced composite is improved but also the CF u2032 s mechanical properties are improved .

u5bf9u70adu7ea4u7ef4u8fdbu884c u8868u9762 u6c27u5316u5904u7406u4e0du4ec5u53efu4ee5u6539u5584u7ea4u7ef4u589eu5f3au590du5408u6750u6599u7684u754cu9762u72b6u51b5uff0cu800cu4e14u53efu4ee5u6539u5584u7ea4u7ef4u81eau8eabu7684u529bu5b66u6027u80fdu3002

The sandwiched CdS nanoparticles can be easily isolated from ethanol solution and are free from surface oxidation in air .

u8fd9u79cdu4e09u660eu6cbbCdS u7eb3u7c73u5faeu7c92u6613u4e8eu5206u79bbu5e76u4e0du6613u88abu7a7au6c14u6240 u6c27u5316u3002

Surface oxidation of amorphous Co-Z alloys have been studied by electrical resistance measurement .

u7528u7535u963bu6d4bu91cfu6cd5u7814u7a76u975eu6676u6001Cuu4e00Zru5408u91d1u7684 u8868u9762 u6c27u5316uff1b

The chemical composition physical properties and crystal structure of pyrrhotite determines its floatability surface oxidation and brittleness etc.

u78c1u9ec4u94c1u77ffu7684u5316u5b66u7ec4u6210u3001u7269u7406u6027u8d28u548cu6676u4f53u7ed3u6784u51b3u5b9au5176u53efu6d6eu6027u3001 u8868u9762u6613 u6c27u5316u7a0bu5ea6u3001u6027u8106u7b49u7279u6027u3002

As a result the heating capacity and quality of heating furnace is improved the slab surface oxidation burning loss is decreased and the gas consumption reduced and the economic benefit remarkable .

u6539u9020u540eu4f7fu52a0u70edu7089u63d0u9ad8u4e86u52a0u70edu80fdu529bu548cu52a0u70edu8d28u91cfuff0cu51cfu5c11u4e86u677fu576f u8868u9762 u6c27u5316u70e7u635fuff0cu964du4f4eu4e86u7164u6c14u6d88u8017uff0cu7ecfu6d4eu6548u76cau663eu8457u3002

Surface Oxidation Behavior of Ignition-Proof Magnesium Alloy Added with RE

u6df7u5408u7a00u571fu963bu71c3u9541u5408u91d1u7684 u8868u9762 u6c27u5316u884cu4e3a

Reaction products by the surface oxidation of two minerals were studied by measuring the cyclic voltammetric curves where the elemental sulfur was the main hydrophobic entity .

u901au8fc7u6d4bu91cfu5faau73afu4f0fu5b89u66f2u7ebfuff0cu5206u6790u4e86u4e24u79cdu77ffu7269 u8868u9762 u6c27u5316u5f62u6210u7684u4ea7u7269uff0cu5143u7d20u786bu662fu4e3bu8981u7684u758fu6c34u4f53u3002

The surface oxidation layer of silicon carbide which is slight and the oxidative layer is steady below 1360 u2103 .

u78b3u5316u7845u6750u6599u57281360u2103u4ee5u4e0buff0c u8868u9762 u6c27u5316u8f83u4e3au8f7bu5faeuff0cu6297u6c27u5316u6027u80fdu7a33u5b9au3002

Temperatures may reach 700 u2103 and surface oxidation becomes critical .

u6e29u5ea6u9ad8u8fbe700u2103uff0c u8868u9762 u6c27u5316u6210u4e3au5173u952eu95eeu9898u3002

After analysis when surface oxidation is too m the cycle performance of materials will be affected adversely .

u5206u6790u8ba4u4e3auff0cu5f53 u8868u9762 u6c27u5316u7a0bu5ea6u8fc7u9ad8u65f6u5bf9u6750u6599u7684u5faau73afu6027u80fdu4f1au6709u4e0du5229u5f71u54cdu3002

Properties of Surface Oxidation Film in CMP of Computer Hard Disk Substrate

u8ba1u7b97u673au786cu76d8u57fau7247CMPu4e2d u8868 u9762u819cu7279u6027u7684u5206u6790u7814u7a76

The microstructure of surface oxidation layer of silicon carbide at temperature is studied and the effect of reactive products on the high temperature oxidation resistance is also analyzed .

u7814u7a76u4e86u78b3u5316u7845 u8868u9762u9ad8u6e29 u6c27u5316u5c42u7684u5faeu89c2u7ed3u6784uff0cu5206u6790u4e86u53cdu5e94u4ea7u7269u5bf9u9ad8u6e29u6297u6c27u5316u6027u80fdu7684u5f71u54cdu3002

PHI-650 scanning Auger multi-probe ( SAM ) was used to study the surface oxidation and impurity element diffusion of the in situ fractured uranium surfaces at various oxygen exposure and temperatures in ultra high vacuum .

u91c7u7528PHI-650u578bu626bu63cfu4fc4u6b47u7535u5b50u80fdu8c31uff08SAMuff09u7814u7a76u91d1u5c5eu94c0u5728u8d85u9ad8u771fu7a7au539fu4f4du65adu88c2u540eu65adu9762u5728u4e0du540cu6c27u6c14u66b4u9732u91cfu548cu6e29u5ea6u4e0bu7684 u6c27u5316u89c4u5f8bu548cu6742u8d28u5143u7d20u5728 u8868u9762u7684u6269u6563u884cu4e3au3002

Study on lithium intercalation behavior of graphite after surface oxidation

u8868u9762 u6c27u5316u77f3u58a8u7684u5d4cu9502u6027u80fdu7814u7a76

High surface graphitic carbon supports were modified by surface oxidation and nitrogen-doping respectively and the influence of surface modification on the activity of Ba-Ru-K / HSGC catalysts for ammonia synthesis was studied .

u5bf9u9ad8u6bd4u8868u9762u77f3u58a8u5316u70adu8fdbu884c u8868u9762 u6c27u5316u548cu63bau6c2eu6539u6027uff0cu8003u5bdfu4e86u8868u9762u6539u6027u5bf9Ba-Ru-K/HSGCu50acu5316u5242u6c28u5408u6210u6027u80fdu7684u5f71u54cdu3002

Reaction mechanism of the surface oxidation for marmatite was studied by extraction of neutral sulphur from mineral surfaces .

u901au8fc7u77ffu7269u8868u9762u63d0u53d6uff0cu63a2u8ba8u4e86u94c1u95eau950cu77ff u8868u9762 u6c27u5316u7684u673au7406uff0cu4e2du6027u786bu53efu80fdu662fu4e3bu8981u758fu6c34u4f53u3002

The composition of surface oxidation layer Of Si_3N_4-Al_2O_3-ZrO_2 ceramics has been investi-gated with EPMA and XRD .

u5229u7528EPMAu548cXRDu7684u5206u6790u65b9u6cd5uff0cu7814u7a76u4e86Siuff3f3Nuff3f4uff0dAluff3f2Ouff3f3uff0dZrOuff3f2u7cfbu9676u74f7u6750u6599 u8868u9762 u6c27u5316u5c42u7ec4u6210u3002